True/False
Indicate whether the
statement is true or false.
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1.
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pollution ? the contamination of the air,
water or soil
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2.
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ecosystem ? the contamination of the air, water or
soil
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3.
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community ? all of the animals and plants
living in one area within an ecosystem
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4.
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global warming ? an increase in earths
temperature due to an increase in greenhouse gases
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5.
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recycling ? the contamination of the air, water or
soil
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6.
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hydroelectric power ? the energy of moving
water converted to electricity
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7.
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geothermal energy ? the energy dreawn from
heated water within the earths crust
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8.
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eutrophication ? increase in the amount of
nutrients, such as nitrates in an environment
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9.
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succession ? the gradual repopulation of a
community by different species over a period of time
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10.
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fossil fuels ? all of the living and nonliving
elements in a particular place
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11.
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nonrenewable resources ? any resources that
are used faster than they can be replacec
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