question
stringlengths
1
3.58k
context
stringlengths
1
1.5k
answer
stringlengths
1
1.65k
id
stringlengths
5
17
source
stringclasses
23 values
difficulty
stringclasses
4 values
category
stringclasses
22 values
hallucination_type
null
entities
listlengths
0
0
metadata
unknown
Conifer wood also goes by dicot and what other name?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
ordinary
advqa_11100
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What types of trees are dicots?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
conifer
advqa_11101
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which is closest to ordinary wood - bamboo, cordyline, or monocot?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
monocot
advqa_11102
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What type of plants produce true wood?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
dicot
advqa_11103
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What features does bamboo have that people mistakenly call it wood?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
material that resembles ordinary, "dicot" or conifer wood
advqa_11104
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is bamboo considered to be?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
grass
advqa_11105
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What type of plants are conifers?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
dicot
advqa_11106
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is a non-dicot and non-bamboo plant that is also an important producer of wood-like material?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
palms
advqa_11107
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What are the stalks of bamboo called?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
culms
advqa_11108
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which is least important - Dracaena, monocot, or bamboo?
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
Dracaena
advqa_11109
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Choose the most important: Pandanus, Cordyline, Bamboo.
Structural material that resembles ordinary, "dicot" or conifer wood in its gross handling characteristics is produced by a number of monocot plants, and these also are colloquially called wood. Of these, bamboo, botanically a member of the grass family, has considerable economic importance, larger culms being widely u...
bamboo
advqa_11110
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What kind of acid sounds like it is overweight?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
fatty acids
advqa_11111
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which compounds is used by cypress to be against insects, terpenes or rosin?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
rosin
advqa_11112
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which of the following are not wood extractives: fatty acids, resin acids, or insects?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
insects
advqa_11113
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What kind of organism does not want to be attacked by things that buzz?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
conifers
advqa_11114
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which conpounds is used by spruce tree to be against ants, fatty acids or rosin?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
rosin
advqa_11115
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Is rosin an example of wood extractives or insects?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
wood extractives
advqa_11116
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which part of the wood is not one of the things you can use to provide tall oil, turpentine or rosin?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
lignocellulose
advqa_11117
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What kinds of wood extractives sound like stuff that comes from your ear?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
waxes
advqa_11118
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which of the following is a wood extractive: fatty acids, conifers, or insects?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
fatty acids
advqa_11119
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What are conifers made of that you can derive all sorts of useful material from?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
wood
advqa_11120
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which compound is used by larch tree to be against ants, fatty acids, terpenes or rosin?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
rosin
advqa_11121
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which compound is used by juniper tree to be against insects, fatty acids, terpenes or rosin?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
rosin
advqa_11122
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which compounds was used by pine tree to be against insects?
Aside from the lignocellulose, wood consists of a variety of low molecular weight organic compounds, called extractives. The wood extractives are fatty acids, resin acids, waxes and terpenes. For example, rosin is exuded by conifers as protection from insects. The extraction of these organic materials from wood provide...
rosin
advqa_11123
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Some modern boats are made out of metal, but what is a material that modern and original boats have in common?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
Elm
advqa_11124
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the general purpose of wood?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
construction
advqa_11125
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is more often made out of wood these days, boats or shelters?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
shelters
advqa_11126
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Dry elm is no good for building boats, so what do people need to make sure it is to make it usable?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
wet
advqa_11127
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What does elm fight against when wet?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
decay
advqa_11128
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is an example of something people used elm wood for?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
plumbing
advqa_11129
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Based on the article, what would be an excellent material to use in building a house outdoors in a rainy location?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
Elm
advqa_11130
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Wood is often used for building houses, boats and?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
shelters
advqa_11131
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What's an example of something people have made out of wood?
Wood has been an important construction material since humans began building shelters, houses and boats. Nearly all boats were made out of wood until the late 19th century, and wood remains in common use today in boat construction. Elm in particular was used for this purpose as it resisted decay as long as it was kept ...
houses
advqa_11132
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What could seep into a tree?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
decay
advqa_11133
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is one advantage sapwoods have over younger trees?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
age
advqa_11134
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
If decay would start, what are the inherent dangers?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
may penetrate to all parts of the trunk
advqa_11135
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What ways do trees utilize luck?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
relative age and position
advqa_11136
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How do you know the core of a tree's trunk is likely still intact?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
the inner heartwood of old trees remains as sound as it usually does
advqa_11137
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What can fire do to a sapwood?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
afford an entrance for decay
advqa_11138
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does the break down of trees begin?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
deep wound from fire, insects, or falling timber
advqa_11139
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What can damage trees?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
decay
advqa_11140
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the upper limit of age of inner heartwood?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
thousands, of years old
advqa_11141
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What creature damages trees?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
larvae
advqa_11142
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How long can insects stay in these trees?
It is remarkable that the inner heartwood of old trees remains as sound as it usually does, since in many cases it is hundreds, and in a few instances thousands, of years old. Every broken limb or root, or deep wound from fire, insects, or falling timber, may afford an entrance for decay, which, once started, may penet...
indefinitely
advqa_11143
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Cellulose, hemicellulose, and lignin are in?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
Wood
advqa_11144
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How much of a cell wall is lingnin?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
15% – 30%
advqa_11145
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
The heterogenous and hygroscopic material is made of?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
cells
advqa_11146
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which celleluar compenents in wood ceels are not in animal cells?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin
advqa_11147
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Anisotropic material is made up of what?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
It consists of cells
advqa_11148
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is consisted of celluose?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
lignin
advqa_11149
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Which are micro-fibrils, cellulose or hemicellulose?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
cellulose
advqa_11150
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the difference between wood cells and human cells?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
cell walls
advqa_11151
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
If wood is made up of cells, then what materials do those cells make up?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
heterogeneous, hygroscopic, cellular and anisotropic material
advqa_11152
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Lignin makes up 15-30% of what structure?
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
cell walls
advqa_11153
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does the chemical transformation go through?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
genetically programmed process
advqa_11154
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What unique action duramen can do after the chemical transformation?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
chemically react to decay organisms
advqa_11155
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does duramen respond to rot?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
chemically
advqa_11156
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does duramen die?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
Once heartwood formation is complete
advqa_11157
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does the process that kills duramen start?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
spontaneously
advqa_11158
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What makes duramen special?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
a naturally occurring chemical transformation
advqa_11159
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does heartwood begin to die?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
spontaneously
advqa_11160
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the status of the duramen when the chemical transformation is done?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
dead
advqa_11161
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the characteristic of heartwood formation?
Heartwood (or duramen) is wood that as a result of a naturally occurring chemical transformation has become more resistant to decay. Heartwood formation occurs spontaneously (it is a genetically programmed process). Once heartwood formation is complete, the heartwood is dead. Some uncertainty still exists as to whether...
spontaneously
advqa_11162
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is it called when the heart is decomposed and becomes heartwood?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
decayed
advqa_11163
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What would a thick layer of sapwood indicate regarding the heartwood?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
the change comes slowly
advqa_11164
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What type of tree can survive decay?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
heartwood
advqa_11165
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Why does the name heartwood have heart in it if it doesn't need it?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
heartwood derives solely from its position
advqa_11166
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
An earlier heartwood results in what?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
thin layer of live sapwood
advqa_11167
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
If a tree is not listed in the text, what can be said of their heartwood?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
never form heartwood
advqa_11168
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Of osage-orange and beech, which species has the same type of sapwood as black locust?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
osage-orange
advqa_11169
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Of chestnut and ash, which one is the same type of sapwood as mulberry?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
chestnut
advqa_11170
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does a mulberry tree form its heartwood?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
form heartwood very early in life
advqa_11171
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What does the fact that the heartwood tree can survive decay tell us?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
its position
advqa_11172
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What must a tree need in order to thrive?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
a thin layer of live sapwood
advqa_11173
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Of sassafras and maple, which is the same type of sapwood as hickory?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
maple
advqa_11174
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
How does a chestnut tree form its heartwood?
The term heartwood derives solely from its position and not from any vital importance to the tree. This is evidenced by the fact that a tree can thrive with its heart completely decayed. Some species begin to form heartwood very early in life, so having only a thin layer of live sapwood, while in others the change come...
the change comes slowly
advqa_11175
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the third word in the first sentence?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
a
advqa_11176
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What can be put in a fireplace?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
Wood
advqa_11177
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Do people still use wood for heat?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
continues to this day
advqa_11178
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What gets burned?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
Wood
advqa_11179
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Burning wood results in?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
ambiance and warmth
advqa_11180
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Why do people still use wood burning stoves?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
to add ambiance and warmth
advqa_11181
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
This is the opposite of unwanted when given the choice between Hardwood and Softwood?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
Hardwood
advqa_11182
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Wood is used in which residential surroundings denoted as the opposite of urban, as a fuel source?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
rural
advqa_11183
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is the first word in the second sentence of this text?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
Hardwood
advqa_11184
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What can make a dwelling more comfortable?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
a woodstove or fireplace
advqa_11185
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Subtracting's opposite applied by way of a woodstove or fireplace to a home is often felt to add ambiance and warmth?
Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.
Adding
advqa_11186
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is timber made out of?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
Engineered wood
advqa_11187
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What kind of materials does the text refer to?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
Engineered wood products
advqa_11188
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Construction is necessary to make what and what?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
residential and commercial buildings
advqa_11189
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Construction creates?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
residential and commercial buildings
advqa_11190
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Timber is a form of?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
wood products
advqa_11191
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is engineered wood?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
timber
advqa_11192
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Timber is made of?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
wood
advqa_11193
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Wood can make?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
timber
advqa_11194
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Where do you work if you build homes?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
construction industry
advqa_11195
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
Wood is a type of?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
materials
advqa_11196
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is another word for domestic housing used in the text?
New domestic housing in many parts of the world today is commonly made from timber-framed construction. Engineered wood products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structural and aesthetic materials.
residential
advqa_11197
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is a spoon?
Wood has always been used extensively for furniture, such as chairs and beds. It is also used for tool handles and cutlery, such as chopsticks, toothpicks, and other utensils, like the wooden spoon.
utensils
advqa_11198
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}
What is a bed?
Wood has always been used extensively for furniture, such as chairs and beds. It is also used for tool handles and cutlery, such as chopsticks, toothpicks, and other utensils, like the wooden spoon.
furniture
advqa_11199
adversarial_qa
expert
adversarial_reading_comprehension
null
[]
{}