sentences
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some minerals are nutrients
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a plant / living thing requires nutrients to grow
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soil provides nutrients for plants
1
high quality / rich / good soil has a high number of nutrients / amount of nitrogen
1
planting crops is a kind of activity
1
soil contains nutrients for plants
1
a plant / living thing requires nutrients to grow
1
if something requires something else then that something relies on that something else
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planting crops requires growing crops
1
planting is a kind of human action
1
crops are a kind of edible plant for eating
1
crop rotation renews / protects soil
1
crop rotation is a kind of process
1
if something is decreased then that something is depleted
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renewing soil increases the nutrients in soil
1
not doing something that is required for a process decreases the performance of that process
1
if something increases something else, then decreasing that something will decrease that something else
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crop rotation requires rotating crops from year to year
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high quality / rich / good soil has a high number of nutrients / amount of nitrogen
1
to have a negative impact on something means to negatively affect that something
1
fertility is a property of soil that describes how fertile the soil is
1
plants are a kind of organism
1
soil provides nutrients for plants
1
fertile soil is high in quality
1
if a living thing requires something then that something has a positive impact on that living thing
1
organisms are a part of an environment
1
a plant requires soil for survival / to grow
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decreasing something positive has a negative impact on a thing
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overproduction of crops can cause soil fertility to decrease
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corn is a kind of crop
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rate is a kind of measure of speed
1
tree roots decrease / reduce soil erosion
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planting trees increases the number of trees in an environment
1
planting tree is a kind of human action
1
if something decreases something else then increasing that something will decrease that something else
1
roots are a part of a plant / tree
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to slow / to slow down decreases speed
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preventing something decreases the amount of that something
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water does not easily flow on a flat surface
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water causes soil and rock erosion
1
a mountain / hill is a kind of environment
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a slope is a part of a mountain / hill
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building terraces increases the amount of terraces in an environment
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water flows down a slope
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terraces change slopes into a series of flat steps
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to enrich something means to cause an enrichment of that something
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an enrichment means an increase in quality
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planting legumes adds nitrogen to soil
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adding something means increasing the amount of something
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fertile soil is high in quality
1
high quality / rich / good soil has a high amount of nitrogen
1
if something provides something else then that something increases the amount of that something else
1
if something causes something else then that something else is an effect of that something
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an increase in the amount of something causes there to be more of something
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growing legumes provide nitrogen for other plants
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if a part of something absorbs heat then that heat will be distributed to the rest of that something
1
a land mass is a kind of object
1
a continent is a kind of large land mass
1
absorbing energy causes objects / materials / substances to heat
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if something is located on something else then that something is a part of that something else
1
absorbing heat causes something to heat
1
solar energy is a kind of energy
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to heat means to warm up
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continental land masses absorb solar energy
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continental land masses are located on earth
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a watch requires electrical energy to operate
1
if something is required then that something must be provided
1
electrical energy is a kind of energy
1
solar cells convert solar energy into electrical energy
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if an object converts something into something else then that object is a source of that something else
1
a source of something emits / produces / generates / provides that something
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a cell is a kind of object
1
pollution has a negative impact on the environment / air quality / water quality / society
1
solar energy is a source of electricity
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if something happens rarely then that something likely happens the least
1
solar power means solar energy
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solar energy rarely causes pollution
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harming something has a negative impact on / effect on that something
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cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem
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using paper requires creating paper
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creating paper requires cutting down trees
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if something has a negative impact on something else then increasing the amount of that something has a negative impact on that something else
1
if something is allowed to be used then the use of that something might increase
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paper is a kind of tool
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inventing a tool allows / enables that tool to be used
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if something requires something else then increasing that something requires an increase in that something else
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an impact means an effect
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a plant is a kind of organism
1
organisms are a part of an environment
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if a living thing requires something then that something has a positive impact on that living thing
1
harming something has a negative impact on / effect on that something
1
an environment is a kind of ecosystem
1
a plant / living thing requires nutrients to grow
1
a living thing is an organism
1
fallen trees are a kind of dead organism
1
removing dead organisms from an ecosystem causes available nutrients to be removed from that ecosystem
1
removing something positive has a negative impact on the things that are positively impacted by that something
1
planting trees is sometimes a human activity
1
planting trees has a positive impact on an ecosystem
1
an impact means an effect
1