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Definition
| the process in which water vapor turns back into liquid water |
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Term
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Definition
| the process in which liquid water changes to water vapor |
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Term
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Definition
| a material found on earth that can be used by people |
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Term
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Definition
| a resource that cannot be replaced for thousands or millions of years once it has been used up |
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Term
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Definition
| water that falls to Earth |
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Term
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Definition
| a natural resource that can be replaced or can replace or renew itself |
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Term
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Definition
| a fuel formed from the remains of ancient plants and animals |
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Term
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Definition
| a material made up of decayed plant and animal matter |
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Term
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Definition
| the adding of harmful materials to the air, water, and soil |
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Term
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Definition
| a cross section of soil that shows the different layers in soil |
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Term
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Definition
| the upper layer of soil that contains minerals and humus |
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Term
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Definition
| a product that breaks down easily in the environment |
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Term
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Definition
| the preserving and wise use of natural resources |
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Term
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Definition
| a material that causes pollution |
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