Sandipan1994/Inference_Text_Generation · Datasets at Hugging Face

step stringlengths 30 333	inference stringlengths 15 213
fossils are formed when layers of sediment cover the remains of organisms over time & a plant is a kind of organism & an animal is a kind of organism	fossils are formed when layers of sediment cover the remains of plants and animals over time
fossils are the remains of organisms or part of organisms & organism remains can be preserved in sedimentary rock	fossils are preserved in sedimentary rock
fossils are preserved in sedimentary rock & if something is preserved in sedimentary rocks, then that something can be found in the sedimentary rock	nearly all fossils are found in sedimentary rock
bones are part of some animals & animals are a kind of organism	bones are part of organisms
animals are a kind of organism & a shell is a part of some animals	shells are part of some organisms
bones are part of organisms & shells are part of some organisms & fossils are the remains of organisms or part of organisms & plants are a kind of organism	bones remains, shells remians, and plants remains are fossils
bones remains, shells remians, and plants remains are fossils & containing fossils is a kind of characteristic of sedimentary rock	if a rock contains bones remains, shells remians, or plants remains, then the rock is a sedimentary rock
limestone is a kind of sedimentary rock & nearly all fossils are found in sedimentary rock	fossils can be found in limestones
fossils can be found in limestones & a fossil seashell is a kind of fossil	a fossil seashell can be found in a limestone
nearly all fossils are found in sedimentary rock & if something is found in something else, then that something else contains that something	sedimentary rocks contain nearly all fossils
fossils can be used to study the history of organisms and environments on earth & an animal is a kind of organism	fossils can be used to study the history of animals and environments on earth
fossils can be used to study the history of animals and environments on earth & a dinosaur is a kind of extinct animal	fossils can be used to study the history of dinosaurs and environments on earth
an animal is a kind of organism & a horse is a kind of animal	a horse is a kind of organism
a horse is a kind of organism & if fossils of an organism change depending on the level in which they were found then that species of organism changed over time	if fossils of horses change depending on the level in which they were found, then the horses has changed over time
the fossils of horse has shorter bones in lower levels and the fossils of horse has longer bones in the upper level & younger layer of rocks are on top of the older layer of rocks according to superposition	the younger fossils of horse has longer bones than the older fossils of horse
if fossils of horses change depending on the level in which they were found, then the horses has changed over time & the younger fossils of horse has longer bones than the older fossils of horse	horse species have changed from smaller to larger over time
a bird is a kind of animal & an animal is a kind of organism	a bird is a kind of organism
a bird is a kind of organism & if a fossil is of an organism that cannot be identified then that organism is probably extinct	if a fossil of a bird cannot be identified then that kind of bird is probably extinct
an elephant is a kind of animal species & if the fossils of a species are different from the existing species, then the species has changed over time & the fossil of the elephant in african savanna is different from the elephant species presently in that area	the elephant in african savanna has changed over time
a mineral is a kind of solid natural material & a mineral usually has a crystal structure	a mineral is a solid natural material with a crystal structure
rock is made of minerals & a mineral is a kind of solid natural material	a mineral is a solid natural material that makes up rocks
a diamond is made of face-centered cubic crystals & a mineral usually has a crystal structure	diamond is a kind of mineral
a mineral usually has a crystal structure & a quartz is made of six-sided transparent crystals	quartz is a kind of mineral
minerals are formed by magma cooling & a volcano is a source of magma / lava	minerals are formed by magma from a volcano cooling
halite is formed by a body of salt water evaporating & seawater is a kind of salt water & halite is a kind of mineral	the mineral halite is formed by a body of seawater evaporating
the formation of diamonds requires intense pressure & the pressure is intense deep below earth 's crust	the formation of diamonds occurs deep below the crust of the earth
hardness is a property of a material / an object and includes ordered values of malleable / rigid & a mineral is a kind of solid / natural material	hardness is a property of minerals
hardness is a property of minerals & the properties of something can be used to identify that something	hardness can be used to identify minerals
if an object is made of a material then that object has the properties of that material & a rock is a kind of object & rock is made of minerals	rocks will have the properties of the minerals that make up the rocks
the property of something is the same for the things of same kind & color is a property of a material	the color property of the same material will be the same
the color property of the same material will be the same & a mineral is a kind of solid / natural material	the color property of the same minerals will be the same for the things of same kind
rocks will have the properties of the minerals that make up the rocks & the color property of the same minerals will be the same for the things of same kind	rocks will have the same color property as the minerals that make up the rocks
an example of breaking something down is scratching something & a material that is soft can be broken down by a material that is hard	a material that is soft can be scratched by a material that is hard
a material that is soft can be scratched by a material that is hard & a mineral is a kind of material	if one mineral can scratch another mineral then that other mineral is softer than that one mineral
if one mineral can scratch another mineral then that other mineral is softer than that one mineral & hardness is a measure of a mineral 's ability to resist scratching	measuring the hardness of minerals requires scratching those materials
quartz scratches glass easily & a quartz is made of six-sided transparent crystals & quartz is a kind of mineral	quartz is the mineral that has six-sided transparent crystals and can scratch glass easily
a mineral can be scratched by a fingernail & if a mineral can be scratched by a fingernail then that mineral is soft	a mineral is soft
a mineral is soft & a mineral has a nonmetallic luster & if a mineral is black in color	that mineral is black, has a nonmetallic luster, and is soft
mica has a nonmetallic luster & mica is a kind of mineral & mica is black in color & mica is soft	mica is a mineral that is black, has a nonmetallic luster, and is soft
that mineral is black, has a nonmetallic luster, and is soft & mica is a mineral that is black, has a nonmetallic luster, and is soft	that mineral is mica
different materials usually have different properties & a mineral is a kind of material	different minerals usually have different properties
different minerals usually have different properties & samples of a single type of mineral usually have the same properties	different minerals usually have different properties and samples of a single type of mineral usually have the same properties
different minerals usually have different properties and samples of a single type of mineral usually have the same properties & the properties of something can be used to identify / used to describe that something	the properties of a mineral can be used to identify those minerals
aluminum is a kind of metal & iron is a kind of metal	iron and aluminum are kinds of metal
iron and aluminum are kinds of metal & rocks often contain large amounts of metal	rocks may contain large amounts of iron and aluminum
limestone is a kind of sedimentary rock & marble is a kind of metamorphic rock	limestone is a kind of sedimentary rock and marble is a kind of metamorphic rock
sedimentary rocks are formed by deposition / cementation & metamorphic rocks are formed by rocks being exposed to extreme heat and pressure	sedimentary rocks are formed by deposition / cementation and metamorphic rocks are formed by rocks being exposed to extreme heat and pressure
limestone is a kind of sedimentary rock and marble is a kind of metamorphic rock & sedimentary rocks are formed by deposition / cementation and metamorphic rocks are formed by rocks being exposed to extreme heat and pressure	limestone is a kind of sedimentary rock that is formed by deposition / cementation and marble is a kind of metamorphic rock that is formed by rocks being exposed to extreme heat and pressure
limestone is a kind of sedimentary rock that is formed by deposition / cementation and marble is a kind of metamorphic rock that is formed by rocks being exposed to extreme heat and pressure & class is a property of a rock and includes values of sedimentary / metamorphic / igneous	limestone and marble are different classes of rock and are formed by different methods
limestone and marble are different classes of rock and are formed by different methods & class is a measure of how a rock is formed	different classes of rocks are formed by different methods
granite contains mica & granite contains feldspar & granite contains quartz	granite is made of quartz, feldspar, and mica
feldspar is a kind of mineral & mica is a kind of mineral & quartz is a kind of mineral	quartz, feldspar, and mica are minerals
granite is made of quartz, feldspar, and mica & quartz, feldspar, and mica are minerals	granite is made of minerals
granite is made of minerals & granite is a kind of rock	rock is made of minerals
different classes of rocks are formed by different methods & class is a measure of how a rock is formed	the method by which a rock is formed can be used to classify rocks
the method by which a rock is formed can be used to classify rocks & the origin of a rock means the method by which a rock is formed	the origin of rocks can be used to classify rocks
the radioactive isotope content of a rock means the amount of elemental isotopes of the parent isotopes & calculating the age of rocks requires investigating the original amount of the elemental isotopes of the parent isotopes	calculating the age of rocks requires investigating the radioactive isotope content of that rock
calculating the age of rocks requires investigating the radioactive isotope content of that rock & radiometric dating is a kind of method to determine the absolute age of the rock	radiometric dating requires the radioactive isotope content of a rock
radiometric dating requires the radioactive isotope content of a rock & radiometric dating is used to identify / determine the absolute age of the rock	the radioactive isotope content of a rock can be used to identify the absolute age of the rock
the radioactive isotope content of a rock can be used to identify the absolute age of the rock & the absolute age of a rock is the amount of time passed since a rock was formed	the radioactive isotope content of a rock can be used to identify the amount of time passed since a rock was formed
the surface of the earth is made of 70% ocean & most means over 50% of something	most of earth's surface is made of oceans
most of earth's surface is made of oceans & the hydrosphere is a thin layer of water covering the earth 's surface	most of the hydroshpere is made of oceans
most of the hydroshpere is made of oceans & the formation of organic rocks is usually found in the ocean	most of the formation of organic rocks in the hydroshpere occurs in the oceans
if granite is broken down into sediment & the sediment from the granite is buried and compacted	granite is broken down into sediment that is buried and compacted
the formation of sedimentary rock is a sequential process, with stages of weathering, erosion, deposition,burying, compaction & if something is a stage in a process then that something is required for that process	forming sedimentary rock requires burying
forming sedimentary rock requires burying & in the formation of sedimentary rock , burying the sediments follows depositing the sediments	forming sedimentary rock requires burying sediments
forming sedimentary rock requires burying sediments & sedimentary rocks are formed by sediment / materials that settle compacting / cementing together	sedimentary rocks are formed by sediment being buried and compacted
sedimentary rocks are formed by sediment being buried and compacted & formation in the rock cycle means an old class of rocks changes into a new class of rocks	in the rock cycle, new rocks can be formed by sediment being buried and compacted
granite is broken down into sediment that is buried and compacted & in the rock cycle, new rocks can be formed by sediment being buried and compacted	the granite will become a new rock
metamorphic rocks are formed by rocks being exposed to extreme heat and pressure & magma is extremely high in temperature	heat from magma can change a rock into metamorphic rock
heat from magma can change a rock into metamorphic rock & sedimentary rock is a kind of rock	heat from magma can change sedimentary rock into metamorphic rock
nearly all fossils are found in sedimentary rock & if something is found in something else then that something else contains that something	sedimentary rocks can contain fossils
sedimentary rocks can contain fossils & metamorphic rocks do not contain fossils	sedimentary rocks can contain fossils and metamorphic rocks do not contain fossils
sedimentary is a class of rock & metamorphic is a class of rock	sedimentary and metamorphic are classes of rock
sedimentary and metamorphic are classes of rock & formation in the rock cycle means an old class of rocks changes into a new class of rocks	formation in the rock cycle can mean sedimentary rock changes into metamorphic rock
sedimentary rocks can contain fossils and metamorphic rocks do not contain fossils & formation in the rock cycle can mean sedimentary rock changes into metamorphic rock	in the rock cycle, sedimentary rocks that contain fossils can be changed into metamorphic rocks that do not contain fossils
in the rock cycle, sedimentary rocks that contain fossils can be changed into metamorphic rocks that do not contain fossils & if something that contains a thing is changed into something else that doesn't contain that thing, then that thing is lost / destroyed when that something changes into that something else	fossils are lost / destroyed when sedimentary rock changes to metamorphic rock
fossils are lost / destroyed when sedimentary rock changes to metamorphic rock & if fossils are destroyed in rock transition , then there will be gaps in the fossil record	sedimentary rock changing to metamorphic rock causes gaps in the fossil record
heat is a kind of energy & exposure to extreme heat and pressure changes igneous rock into metamorphic rock	exposure to heat energy can change igneous rock into metamorphic rock
exposure to heat energy can change igneous rock into metamorphic rock & change is a kind of process	heat energy is in the process of changing igneous rock to metamorphic rock
igneous rocks are formed by lava cooling & pumice is formed when lava cools	pumice is a kind of igneous rock
igneous rocks / minerals are formed by magma / lava cooling / crystallizing & pumice is a kind of igneous rock	pumice is formed by lava cooling
if something is formed by a material changing then that something is formed from that material & lava is a kind of material	if something is formed by lava changing then that something is formed from lava
if something is formed by lava changing then that something is formed from lava & cooling is a kind of change	if something is formed by lava cooling then that something is formed from lava
pumice is formed by lava cooling & if something is formed by lava cooling then that something is formed from lava	pumice is formed from lava
a volcano is a source of magma / lava & usually something can be found near a source in greater concentrations	usually lava can be found near a volcano
usually lava can be found near a volcano & if something usually happens then that something is likely to happen	lava can likely be found near a volcano
pumice is formed from lava & lava can likely be found near a volcano	pumice is likely formed near a volcano
a class of something means a type of something & classifying is when one sorts something by kind / type	classifying is when one sorts something by class
classifying is when one sorts something by class & class is a measure of how a rock is formed	rocks can be classified based on how they were formed
rocks can be classified based on how they were formed & igneous rocks are formed by magma cooling / crystallizing	a rock can be classified as igneous if it was formed from magma
as the rate of rocks cooling decreases , the crystal size of the rock will increase & rate is a kind of measurement of speed	as the speed of rocks cooling decreases, the crystal size of the rock will increase
as the speed of rocks cooling decreases, the crystal size of the rock will increase & to slow / to slow down decreases speed	a rock cooling slowly causes the crystal size of the rock to increase
a rock cooling slowly causes the crystal size of the rock to increase & if something causes something else then that something affects that something else	a rock cooling slowly affects the crystal size of the rock
a rock cooling slowly affects the crystal size of the rock & if something affects something else then that something else indicates whether that something happened	the crystal size of a rock indicates whether the rock cooled slowly
the crystal size of a rock indicates whether the rock cooled slowly & crystal size is a property of rocks and includes values of small / large	crystal size is a property of a rock that indicates whether a rock cooled slowly
exposure to pressure is a kind of condition & exposure to heat is a kind of condition	exposure to heat and pressure are kinds of conditions
exposure to heat and pressure are kinds of conditions & if something is formed by certain conditions then that something will likely be formed in an area with those conditions	if something is formed by being exposed to heat and pressure then that something will likely be formed in an area with heat and pressure
great can mean high in value & extreme means very high in value	extreme can mean great
extreme can mean great & metamorphic rocks are formed by rocks being exposed to extreme heat and pressure	metamorphic rocks are formed by being exposed to great heat and pressure

fossils are formed when layers of sediment cover the remains of organisms over time & a plant is a kind of organism & an animal is a kind of organism

fossils are formed when layers of sediment cover the remains of plants and animals over time

fossils are the remains of organisms or part of organisms & organism remains can be preserved in sedimentary rock

fossils are preserved in sedimentary rock

fossils are preserved in sedimentary rock & if something is preserved in sedimentary rocks, then that something can be found in the sedimentary rock

nearly all fossils are found in sedimentary rock

bones are part of some animals & animals are a kind of organism

bones are part of organisms

animals are a kind of organism & a shell is a part of some animals

shells are part of some organisms

bones are part of organisms & shells are part of some organisms & fossils are the remains of organisms or part of organisms & plants are a kind of organism

bones remains, shells remians, and plants remains are fossils

bones remains, shells remians, and plants remains are fossils & containing fossils is a kind of characteristic of sedimentary rock

if a rock contains bones remains, shells remians, or plants remains, then the rock is a sedimentary rock

limestone is a kind of sedimentary rock & nearly all fossils are found in sedimentary rock

fossils can be found in limestones

fossils can be found in limestones & a fossil seashell is a kind of fossil

a fossil seashell can be found in a limestone

nearly all fossils are found in sedimentary rock & if something is found in something else, then that something else contains that something

sedimentary rocks contain nearly all fossils

fossils can be used to study the history of organisms and environments on earth & an animal is a kind of organism

fossils can be used to study the history of animals and environments on earth

fossils can be used to study the history of animals and environments on earth & a dinosaur is a kind of extinct animal

fossils can be used to study the history of dinosaurs and environments on earth

an animal is a kind of organism & a horse is a kind of animal

a horse is a kind of organism

a horse is a kind of organism & if fossils of an organism change depending on the level in which they were found then that species of organism changed over time

if fossils of horses change depending on the level in which they were found, then the horses has changed over time

the fossils of horse has shorter bones in lower levels and the fossils of horse has longer bones in the upper level & younger layer of rocks are on top of the older layer of rocks according to superposition

the younger fossils of horse has longer bones than the older fossils of horse

if fossils of horses change depending on the level in which they were found, then the horses has changed over time & the younger fossils of horse has longer bones than the older fossils of horse

horse species have changed from smaller to larger over time

a bird is a kind of animal & an animal is a kind of organism

a bird is a kind of organism

a bird is a kind of organism & if a fossil is of an organism that cannot be identified then that organism is probably extinct

if a fossil of a bird cannot be identified then that kind of bird is probably extinct

an elephant is a kind of animal species & if the fossils of a species are different from the existing species, then the species has changed over time & the fossil of the elephant in african savanna is different from the elephant species presently in that area

the elephant in african savanna has changed over time

a mineral is a kind of solid natural material & a mineral usually has a crystal structure

a mineral is a solid natural material with a crystal structure

rock is made of minerals & a mineral is a kind of solid natural material

a mineral is a solid natural material that makes up rocks

a diamond is made of face-centered cubic crystals & a mineral usually has a crystal structure

diamond is a kind of mineral

a mineral usually has a crystal structure & a quartz is made of six-sided transparent crystals

quartz is a kind of mineral

minerals are formed by magma cooling & a volcano is a source of magma / lava

minerals are formed by magma from a volcano cooling

halite is formed by a body of salt water evaporating & seawater is a kind of salt water & halite is a kind of mineral

the mineral halite is formed by a body of seawater evaporating

the formation of diamonds requires intense pressure & the pressure is intense deep below earth 's crust

the formation of diamonds occurs deep below the crust of the earth

hardness is a property of a material / an object and includes ordered values of malleable / rigid & a mineral is a kind of solid / natural material

hardness is a property of minerals

hardness is a property of minerals & the properties of something can be used to identify that something

hardness can be used to identify minerals

if an object is made of a material then that object has the properties of that material & a rock is a kind of object & rock is made of minerals

rocks will have the properties of the minerals that make up the rocks

the property of something is the same for the things of same kind & color is a property of a material

the color property of the same material will be the same

the color property of the same material will be the same & a mineral is a kind of solid / natural material

the color property of the same minerals will be the same for the things of same kind

rocks will have the properties of the minerals that make up the rocks & the color property of the same minerals will be the same for the things of same kind

rocks will have the same color property as the minerals that make up the rocks

an example of breaking something down is scratching something & a material that is soft can be broken down by a material that is hard

a material that is soft can be scratched by a material that is hard

a material that is soft can be scratched by a material that is hard & a mineral is a kind of material

if one mineral can scratch another mineral then that other mineral is softer than that one mineral

if one mineral can scratch another mineral then that other mineral is softer than that one mineral & hardness is a measure of a mineral 's ability to resist scratching

measuring the hardness of minerals requires scratching those materials

quartz scratches glass easily & a quartz is made of six-sided transparent crystals & quartz is a kind of mineral

quartz is the mineral that has six-sided transparent crystals and can scratch glass easily

a mineral can be scratched by a fingernail & if a mineral can be scratched by a fingernail then that mineral is soft

a mineral is soft

a mineral is soft & a mineral has a nonmetallic luster & if a mineral is black in color

that mineral is black, has a nonmetallic luster, and is soft

mica has a nonmetallic luster & mica is a kind of mineral & mica is black in color & mica is soft

mica is a mineral that is black, has a nonmetallic luster, and is soft

that mineral is black, has a nonmetallic luster, and is soft & mica is a mineral that is black, has a nonmetallic luster, and is soft

that mineral is mica

different materials usually have different properties & a mineral is a kind of material

different minerals usually have different properties

different minerals usually have different properties & samples of a single type of mineral usually have the same properties

different minerals usually have different properties and samples of a single type of mineral usually have the same properties

different minerals usually have different properties and samples of a single type of mineral usually have the same properties & the properties of something can be used to identify / used to describe that something

the properties of a mineral can be used to identify those minerals

aluminum is a kind of metal & iron is a kind of metal

iron and aluminum are kinds of metal

iron and aluminum are kinds of metal & rocks often contain large amounts of metal

rocks may contain large amounts of iron and aluminum

limestone is a kind of sedimentary rock & marble is a kind of metamorphic rock

limestone is a kind of sedimentary rock and marble is a kind of metamorphic rock

sedimentary rocks are formed by deposition / cementation & metamorphic rocks are formed by rocks being exposed to extreme heat and pressure

sedimentary rocks are formed by deposition / cementation and metamorphic rocks are formed by rocks being exposed to extreme heat and pressure

limestone is a kind of sedimentary rock and marble is a kind of metamorphic rock & sedimentary rocks are formed by deposition / cementation and metamorphic rocks are formed by rocks being exposed to extreme heat and pressure

limestone is a kind of sedimentary rock that is formed by deposition / cementation and marble is a kind of metamorphic rock that is formed by rocks being exposed to extreme heat and pressure

limestone is a kind of sedimentary rock that is formed by deposition / cementation and marble is a kind of metamorphic rock that is formed by rocks being exposed to extreme heat and pressure & class is a property of a rock and includes values of sedimentary / metamorphic / igneous

limestone and marble are different classes of rock and are formed by different methods

limestone and marble are different classes of rock and are formed by different methods & class is a measure of how a rock is formed

different classes of rocks are formed by different methods

granite contains mica & granite contains feldspar & granite contains quartz

granite is made of quartz, feldspar, and mica

feldspar is a kind of mineral & mica is a kind of mineral & quartz is a kind of mineral

quartz, feldspar, and mica are minerals

granite is made of quartz, feldspar, and mica & quartz, feldspar, and mica are minerals

granite is made of minerals

granite is made of minerals & granite is a kind of rock

rock is made of minerals

different classes of rocks are formed by different methods & class is a measure of how a rock is formed

the method by which a rock is formed can be used to classify rocks

the method by which a rock is formed can be used to classify rocks & the origin of a rock means the method by which a rock is formed

the origin of rocks can be used to classify rocks

the radioactive isotope content of a rock means the amount of elemental isotopes of the parent isotopes & calculating the age of rocks requires investigating the original amount of the elemental isotopes of the parent isotopes

calculating the age of rocks requires investigating the radioactive isotope content of that rock

calculating the age of rocks requires investigating the radioactive isotope content of that rock & radiometric dating is a kind of method to determine the absolute age of the rock

radiometric dating requires the radioactive isotope content of a rock

radiometric dating requires the radioactive isotope content of a rock & radiometric dating is used to identify / determine the absolute age of the rock

the radioactive isotope content of a rock can be used to identify the absolute age of the rock

the radioactive isotope content of a rock can be used to identify the absolute age of the rock & the absolute age of a rock is the amount of time passed since a rock was formed

the radioactive isotope content of a rock can be used to identify the amount of time passed since a rock was formed

the surface of the earth is made of 70% ocean & most means over 50% of something

most of earth's surface is made of oceans

most of earth's surface is made of oceans & the hydrosphere is a thin layer of water covering the earth 's surface

most of the hydroshpere is made of oceans

most of the hydroshpere is made of oceans & the formation of organic rocks is usually found in the ocean

most of the formation of organic rocks in the hydroshpere occurs in the oceans

if granite is broken down into sediment & the sediment from the granite is buried and compacted

granite is broken down into sediment that is buried and compacted

the formation of sedimentary rock is a sequential process, with stages of weathering, erosion, deposition,burying, compaction & if something is a stage in a process then that something is required for that process

forming sedimentary rock requires burying

forming sedimentary rock requires burying & in the formation of sedimentary rock , burying the sediments follows depositing the sediments

forming sedimentary rock requires burying sediments

forming sedimentary rock requires burying sediments & sedimentary rocks are formed by sediment / materials that settle compacting / cementing together

sedimentary rocks are formed by sediment being buried and compacted

sedimentary rocks are formed by sediment being buried and compacted & formation in the rock cycle means an old class of rocks changes into a new class of rocks

in the rock cycle, new rocks can be formed by sediment being buried and compacted

granite is broken down into sediment that is buried and compacted & in the rock cycle, new rocks can be formed by sediment being buried and compacted

the granite will become a new rock

metamorphic rocks are formed by rocks being exposed to extreme heat and pressure & magma is extremely high in temperature

heat from magma can change a rock into metamorphic rock

heat from magma can change a rock into metamorphic rock & sedimentary rock is a kind of rock

heat from magma can change sedimentary rock into metamorphic rock

nearly all fossils are found in sedimentary rock & if something is found in something else then that something else contains that something

sedimentary rocks can contain fossils

sedimentary rocks can contain fossils & metamorphic rocks do not contain fossils

sedimentary rocks can contain fossils and metamorphic rocks do not contain fossils

sedimentary is a class of rock & metamorphic is a class of rock

sedimentary and metamorphic are classes of rock

sedimentary and metamorphic are classes of rock & formation in the rock cycle means an old class of rocks changes into a new class of rocks

formation in the rock cycle can mean sedimentary rock changes into metamorphic rock

sedimentary rocks can contain fossils and metamorphic rocks do not contain fossils & formation in the rock cycle can mean sedimentary rock changes into metamorphic rock

in the rock cycle, sedimentary rocks that contain fossils can be changed into metamorphic rocks that do not contain fossils

in the rock cycle, sedimentary rocks that contain fossils can be changed into metamorphic rocks that do not contain fossils & if something that contains a thing is changed into something else that doesn't contain that thing, then that thing is lost / destroyed when that something changes into that something else

fossils are lost / destroyed when sedimentary rock changes to metamorphic rock

fossils are lost / destroyed when sedimentary rock changes to metamorphic rock & if fossils are destroyed in rock transition , then there will be gaps in the fossil record

sedimentary rock changing to metamorphic rock causes gaps in the fossil record

heat is a kind of energy & exposure to extreme heat and pressure changes igneous rock into metamorphic rock

exposure to heat energy can change igneous rock into metamorphic rock

exposure to heat energy can change igneous rock into metamorphic rock & change is a kind of process

heat energy is in the process of changing igneous rock to metamorphic rock

igneous rocks are formed by lava cooling & pumice is formed when lava cools

pumice is a kind of igneous rock

igneous rocks / minerals are formed by magma / lava cooling / crystallizing & pumice is a kind of igneous rock

pumice is formed by lava cooling

if something is formed by a material changing then that something is formed from that material & lava is a kind of material

if something is formed by lava changing then that something is formed from lava

if something is formed by lava changing then that something is formed from lava & cooling is a kind of change

if something is formed by lava cooling then that something is formed from lava

pumice is formed by lava cooling & if something is formed by lava cooling then that something is formed from lava

pumice is formed from lava

a volcano is a source of magma / lava & usually something can be found near a source in greater concentrations

usually lava can be found near a volcano

usually lava can be found near a volcano & if something usually happens then that something is likely to happen

lava can likely be found near a volcano

pumice is formed from lava & lava can likely be found near a volcano

pumice is likely formed near a volcano

a class of something means a type of something & classifying is when one sorts something by kind / type

classifying is when one sorts something by class

classifying is when one sorts something by class & class is a measure of how a rock is formed

rocks can be classified based on how they were formed

rocks can be classified based on how they were formed & igneous rocks are formed by magma cooling / crystallizing

a rock can be classified as igneous if it was formed from magma

as the rate of rocks cooling decreases , the crystal size of the rock will increase & rate is a kind of measurement of speed

as the speed of rocks cooling decreases, the crystal size of the rock will increase

as the speed of rocks cooling decreases, the crystal size of the rock will increase & to slow / to slow down decreases speed

a rock cooling slowly causes the crystal size of the rock to increase

a rock cooling slowly causes the crystal size of the rock to increase & if something causes something else then that something affects that something else

a rock cooling slowly affects the crystal size of the rock

a rock cooling slowly affects the crystal size of the rock & if something affects something else then that something else indicates whether that something happened

the crystal size of a rock indicates whether the rock cooled slowly

the crystal size of a rock indicates whether the rock cooled slowly & crystal size is a property of rocks and includes values of small / large

crystal size is a property of a rock that indicates whether a rock cooled slowly

exposure to pressure is a kind of condition & exposure to heat is a kind of condition

exposure to heat and pressure are kinds of conditions

exposure to heat and pressure are kinds of conditions & if something is formed by certain conditions then that something will likely be formed in an area with those conditions

if something is formed by being exposed to heat and pressure then that something will likely be formed in an area with heat and pressure

great can mean high in value & extreme means very high in value

extreme can mean great

extreme can mean great & metamorphic rocks are formed by rocks being exposed to extreme heat and pressure

metamorphic rocks are formed by being exposed to great heat and pressure