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thick haze of smoke and chemicals |
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chermicals from air pollution that combings with precipitation |
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Definition
build up of certain gasses in the earths atmosphere like a green house retain the suns warmth |
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changing what crops that farmers plant in a field from year to year |
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Definition
cutting down of forest without replanting new trees |
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Definition
pross of collecting water and distrubing into crops |
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Definition
powerful chemicals that kill crops and distroy insects |
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Definition
a place shared by plants and anmials that depend on survivele |
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plant and animals living on the plenet |
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