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frame construction is a kind of industry
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new england has an abundance of trees
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wood is a kind of resource
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frame construction requires wood
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if an industry requires a resource then that industry predominates in areas with an abundance of that resource
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a tree contains wood
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trees are a kind of natural resource
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resources need to be managed
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an example of managing / maintaining the number / the use of something is replacing that something
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a tree can be replaced by planting a new tree each time one is cut down
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timber companies cut down trees
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an example of managing / maintaining the number / the use of something is replacing that something
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resources must be managed
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trees are a kind of resource
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a forest contains lots of plants / trees
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a tree can be replaced by planting a new tree each time one is cut down
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if something is required to create something else then that something is needed to make that something else
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fewer means a decreased amount
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creating paper requires cutting down trees
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recycling reduces the resources needed to make something
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cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem
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decreasing something negative has a positive impact on a thing
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trees are a kind of resource
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fewer means a reduced amount
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an impact is a kind of effect
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recycling reduces the resources needed to make something
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if something is required to create something else then that something is needed to make that something else
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trees are a kind of natural resource
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creating paper requires cutting down trees
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as the deforestation increases , the soil fertility will decrease
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topsoil is a kind of soil
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clearing forests means cutting down a large amount of trees in a forest
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as the deforestation increases , the soil erosion will increase
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deforestation is when the number of trees / organisms in a forest decreases
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cutting down trees in a forest causes the number of trees to decrease in that forest
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a tree contains wood
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a lot means large in amount / quantity
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a forest contains lots of plants / trees
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wood is a kind of resource
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if something contains something else then that something else is a part of that something
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if something is a part of something then that something can be found in that something
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water is a kind of natural resource
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water is a part of an environment
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animals / living things require water for survival
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a human is a kind of animal
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if a living thing requires something for survival then that living thing depends on that something
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pumping is a kind of method for transporting water
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a well is a vehicle for removing water from an aquifer
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if too much water is removed from a location then the water may become used up
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excessive means too much in quantity
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a state of something is a form of something
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water is in the solid state , called ice , for temperatures between 0 / -459 / -273 and 273 / 32 / 0 k / f / c
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oceans contain liquid water
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a glacier is made of ice
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water is in the liquid state , called liquid water , for temperatures between 273 / 32 / 0 and 373 / 212 / 100 k / f / c
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a body of water contains water
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the volume of a substance describes the amount of that substance
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water is a kind of matter
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irrigation causes water levels to decrease
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as the amount of water in a body of water decreases , the water levels will decrease
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volume is a property of matter
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matter is a kind of substance
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a lake is a kind of body of water
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living thing is a kind of organism
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living things require water for survival
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water is a kind of natural resource
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a desert environment is low in availability of water / availability of food
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as a population of organisms increases , the resources used by those organisms will decrease
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if the amount of something decreases then that something might be depleted
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if a resource is low in availability then it is more likely to be depleted
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an example of using less water is turning off the faucet when brushing teeth
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an example of managing the use of something is using less of that something
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resources must be managed
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water is a kind of natural resource
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groundwater is a kind of water
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ground water is a kind of water
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if a resource is not replaced then the resource has low availability
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groundwater is a nonrenewable resource
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a desert environment is low in availability of water / availability of food
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groundwater is located under ground / underground
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glaciers are a kind of major reservoir
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glaciers are a source of freshwater
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antarctic polar ice contains glaciers
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a water reservoir stores water
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rainforests contain many species
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a decrease of something is a kind of change
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organisms are a part of an environment
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harming an environment causes harm to the living things / to the organisms in that environment
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a rainforest is a kind of forest
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cutting down trees in a forest causes the number of trees to decrease in that forest
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to cut down a rainforest means to cut down trees in a rainforest
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humans changing an environment sometimes causes that environment to be destroyed
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species means a group of a certain kind of organism
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a forest is a kind of environment
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destroying something causes harm to 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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an animal is a kind of organism
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organisms are a part of an environment
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surface mining has a negative impact on the lithosphere / the biosphere / the ecosystem
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national parks limit mining / logging / hunting
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