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Essay on The Greenhouse Effect | ||
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This is the first 1,000 characters of 2217 words (8.87 pages) in the essay titled The Greenhouse Effect While some people believe the earth s climatic changes are due to the fact that theuniverse is getting older, others believe it is due to the greenhouse effect. The greenhouse effect is a naturally occuring phenomenon that is responsible for trapping heat near the earth s surface and keeping the planet warm. It is called the greenhouse effect because the way it works is similar to the way in which a green house functions. In a greenhouse sunlight passes through the transparent roof and walls and strikes the objects inside- plants, flowerpots, tables, and so forth. These objects absorb energy from sun, become warmer, and then give off energy themselves in the form of heat. Only a little of this heat energy passes out through the glass, much of it is trapped in the greenhouse, raising the temperature inside. In some ways, the earth functions rather like a greenhouse except on a much larger scale. Although the greenhouse effect has only recently been in the news, is nothing new in th history of our planet, has played major role in making life on earth possible. Without the greenhouse effect, the earth would be too cold for living thing to survive. The big question today is If greenhouse effect is natural, why are people so worried about it. Is soemthing good turning bad? Up until about 150 years ago the compostion of the earths atmosphere had remianed relatively unchanged for several thousand years. Since mid 1800s certain human activities have been changing the h... |
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Keywords: greenhouse effect, earth functions, earths atmosphere, flowerpots, dramatically, heat energy, this heat, th history, experts predict, transparent roof, worldwide increase, climatic changes, atmospher, compostion, mid 1800s