Answers

2015-09-01T15:06:15+05:30
Global Warming is increase or decrease in Earth's temperature due to high levels of greenhouse gases and damage to the Ozone Layer. It can cause melting of polar icecaps which could result in floods and disappearances of islands.
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2015-09-01T15:06:22+05:30
The increase in average temperature of earth due to green house effect is called global warming.
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