지구 온난화 (Global Warming)

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지구 온난화에 간환 글을 영작한 것입니다.
미국에서 생물시간에 리포트 형식으로 제출한것으로...많은 도움이 되시길

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Global warming is an increase in the earth`s temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased emission of greenhouse gases. Short-wave solar radiation sinks into the Earth`s atmosphere and warms its surface; while long wave infrared radiation emitted by earth`s surface is absorbed, and then re-emitted by trace gases.
Climate changes occur in our earth`s atmosphere due to a buildup of greenhouse gases. Greenhouse gases can occur naturally as well as a result of human activities. Problems can occur when higher concentrations of greenhouse gases are present in our atmosphere because they have enhanced our earth`s heat trapping capability.

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