Ecosystem 2 Word Scramble
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| Question | Answer |
| 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 |
Created by:
Schoeneck 4th Grade
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