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Definition
| the study of the interactions between humans and their own enviroment |
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| earths rock interior that extends from the molten center of the planets core to the solid surface of its crust |
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| the portion of earth that is water |
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| mixture of gases that surrounds earth |
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Definition
| part of earth where life exists |
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| a region that is about 20km above earth's surface |
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Definition
| atmosphere ability to trap heat |
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| the variety of forms of life in an area |
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| reflected by both species richness and species evenness |
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| amount of variation in the genetic material within all members of a population |
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Definition
| caused by substances that cause unintended harm into air, water, or soil |
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Definition
| water vapor mixed with chemicals that result from human activities |
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| Chlorofluorocarbons (CFC) |
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Definition
| a type of hydrocarbon in which some or all of the hydrogen atoms are replaced by chlorine and fluorine |
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Definition
| some air pollutants combine with water in the atmosphere and form acids |
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Definition
| a process in which chemicals become more concentrated in an organism the higher on a food chain that organism acts |
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| The death of every member of a species |
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| Extinction of keystone species has serious and sometimes unknown effects on ecosystems. |
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Definition
| the ability to meet human needs in such a way that a human population can survive Earths renewable resources and capacities our own needs and the needs of Earths other living species |
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