Answers

2015-09-02T17:46:33+05:30
Nowadays global warming is a burning issue it leads due to green house effect heat radiation of sun is trapped by some gases such as methane CFC argon and warm the earth these gases are known as green house gases and the warming effect of this gases is known as green house effect which leads to global warming as i m wrote it earlier to minimize this problem we have to plant more and more trees
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