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Definition
| all living and nonliving elements in a particular place |
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| all animals and plants living in an area within an ecosystem |
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Definition
| gradual repopulation of a community by different species over a period of time |
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| energy of moving water converted into electricity |
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| formed from the remains of ancient plant and animal life |
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| resources that are used faster than they can be replaced |
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| resources that can be continually replaced |
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| energy drawn from heated water within Earth’s crust |
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| contamination of the air, water, or soil |
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| increase in Earth’s temperature due to an increase in greenhouse gases |
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Definition
| increase in the amount of nutrients, such as nitrates, in an environment |
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Definition
process of breaking down discarded material for reuse in other products |
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| cells use the sun’s energy to make electricity |
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Definition
| windmills convert wind energy to electricity |
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Definition
| atomic reactions release energy that can be used for electricity |
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