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| the continuous process by which water moves form Earth's surface to the atmosphere and back, passing through the living and non-living parts of the environment. |
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| system in which carbon is transfered form Earth's interior to the Earth's atmosphere, ocean,crust, and living things. |
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| Nitrogen is removed from Earth's atmosphere fixed by soil bacteria and realesed in the atmoshere again. |
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| nitrogen goes through process to purify it for our use. |
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| Molecules of liquid water to absorb energy and change to the gas state |
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Definition
| Molecules of gas water absorb energy and change to the water state. |
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Definition
| forms of water (rain,hail,sleet and snow) falls from the clouds onto the Earth's surface. |
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| water that fills the cracks and pores in an underground soil and rock layers. |
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| A long period of little or no rain in one area. |
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| Plants and other organisms captur light energy and use it to make food from CO2 and H2O. |
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| Gasses in the atmosphere that trap heat. |
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| a gradual increase in the temp. of the Earth's surface |
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| Form of oxygen has 3 oxygen atoms in each molecule |
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Definition
| layer of the upper atmosphere about 30km above the Earth's surface |
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Definition
| groups of chlorine compounds formerly used in air conditioners and refrigetators |
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