Answers

2014-09-29T13:08:58+05:30
Increase in the level of carbon dioxide causes the temperature of earth to rise . This is known as global warming . The effects of global warming are-
1) The sea level increases
2)The glaciers melt down
3)Drought
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2014-09-29T15:17:59+05:30

Burning of coal,Smoke from vehicles and deforestation  increase the amount of carbon-di-oxide in the atmosphere. It leads to global warming.effects:THE HEAT AUTOMATICALLY increases,drought,green house effect etc.
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