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建立人际资源圈GLOBAL_WARMING
2013-11-13 来源: 类别: 更多范文
GLOBAL WARMING
Have you ever wondered what happens when too much carbon dioxide gets omitted into the Earths atmosphere' Well, if youre anything at all like me you probably havent nor have you yet realized how serious that is. The condition is called global warming. This might sound familiar to most of you, but to those of you who share my cluelessness of environmental issues global warming is the rising of the Earths surface temperature due to chemicals in the atmosphere. Yes, this issue is as serious as it sounds and in order for you to fully grasp the importance of this issue I will discuss why the Earth is getting hotter and what will happen if the warming continues.
The Earth is kept warm enough to support life through a process known as the greenhouse effect. Our only source of heat is the Sun, whose rays warm the surface of the Earth. The Earth reflects this heat back into the atmosphere. If all of the heat escaped into space, our planet would be too cold for us to survive. Fortunately heat is trapped in the atmosphere by so-called "greenhouse gases", and some of the warmth finds
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