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Human Environment

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Question
Answer
Global Warming   a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.  
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Greenhouse gases   a gas that contributes to the greenhouse effect by absorbing infrared radiation  
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Greenhouse Effect   the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.  
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Acid rain   rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes.  
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pollution   the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.  
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adapt   to change to make something suitable for new use or purpose  
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Depend   to be controlled or determined by  
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Modify   to make small changes to something to make it better or to make it less extreme  
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Natural Disaster   a major event resulting from natural processes of the Earth; floods, fires, hurricanes  
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Deforestation   to cut down or clear away trees from forests  
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