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Ecosystem 2

Vocab

QuestionAnswer
What change in the ecosystem can cause many animals to die and lose their homes? Fire
How can you keep water clean? Do not dump wastes into lakes and rivers
Clean Water Act a law that requires states to clean polluted waters to prevent further water pollution
Overpopulation Too many of one kind of living thing
What do cars and factories cause? air pollution
What resource can never run out? sunlight
Smog this happens when waste gases combine with water in the air
What problem affects Earth's air, water and land? pollution
acid rain this occurs when acids mix with water in the air and then fall to Earth
drought a long period of time with little or no precipitation
Clean Air Act a law that sets limits of different kinds of air pollution
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