Term
| When was farming developed? |
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Definition
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Term
| Examples of how soil is eroded |
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Definition
| Deforestation and by wind water and ice |
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Term
| Are desert areas decreasing or increasing? |
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Definition
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Term
| What energy sources do we use in the US? |
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Definition
| Petroleum, Hyroelectric Power, Geothermal Energy, wind power, and solar power |
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Term
| Three renewable resources |
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Definition
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Term
| Does all trash decompose in landfills? |
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Definition
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Term
| Where does most air pollution come from? |
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Definition
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Term
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Definition
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Term
| What is the greatest risk of air pollution? |
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Definition
| It can cause cancer, asthma, headaches, and birth defects |
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Term
| 3 methods used to clean water |
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Definition
| Filtiration, Condensation, and evaporation |
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Term
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Definition
| Its cheap, renewable, and generates no pollution |
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Term
| Disadvantages of Wind Energy |
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Definition
| You can never predict wind and you would need lots of fans to produce energy for the world, which would cost a lot |
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