Answers

2015-12-08T14:23:56+05:30
Increase in temperature of earth because of greenhouse effect which result in glacial melting , rainfall pattern change and widespread extinction of animal and plant species.
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2015-12-08T16:57:53+05:30
Uneven heating of the earth and increased temperature due to increase in the amount of green house gases like co2 is called global warming. it can cause melting of glacier leading to incresae in sea level.
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