Global warming caused by the activities of human beings. Whether it is a burning coal and fuel. The chemical ingredients of greenhouse gases that humans use.The rays of the sun should be reflected back out to the right amount. Back is a greenhouse gas reservoirs. The temperature of the earth gradually increased from the original. It also makes the average temperature of the air on the rise.The global warming is a way to prevent a three way
.One way to deforest deforestation is destroyed because the cause of increased upstream thereof, thus making the water cycle changes
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