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21 Cards in this Set
- Front
- Back
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fossil fuel |
formed from the decayed remains of organisms that died millions of years ago |
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natural resource |
parts of the environment that supply materials useful or necessary for the survival of living things; land, air, trees |
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photochemical smog |
a kind of air pollution that forms when sunlight reacts with waste gases from the burning of fossil fuels |
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pollution |
the contamination of the environment with substances that are harmful to life |
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acidic rain (precipitation) |
forms when waste gases from automobiles and power plants combine with moisture in the air; can be rain or snow |
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inexhaustible resource |
a natural resource that will not run out, no matter how much of it people use |
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nonrenewable resource |
natural resources that are being used up faster than they can be replaced |
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renewable resource |
natural resources that can be replenished by natural processes at least as quickly as they are used |
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global warming |
the scientific observation that Earth's average surface temperature is increasing; carbon dioxide is contributing to global warming |
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chlorofluorocarbons (CFCs) |
air pollution from chemicals used in refrigerants, air conditioners, and spray cans; destroying ozone layer |
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Environmental Protection Agency (EPA) |
monitors the health of the environment in the U.S., enforces environmental laws, and develops plans for cleaning up toxic wastes |
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sustainability |
meeting humans needs in ways that ensure future generations |
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Examples of nonrenewable resources |
fossil fuels and minerals |
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Examples of renewable resources |
water, land, air |
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Examples of inexhaustible resources |
wind, geothermal energy, solar energy |
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land pollution |
litter being thrown from the car, farming practice, and industries & mines |
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water pollution |
used motor oil being poured down drains, waste water from showers, and runoff from farm land |
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wind turbines |
used to produce electricity |
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reactants of photosynthesis |
carbon dioxide and water |
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products of photosynthesis |
glucose and oxygen |
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Examples of fossil fuels |
coal, oil, and natural gas |
