Answers

2015-11-18T18:30:52+05:30
Most important effect of global warming is the hole caused in the ozone layer known as ozone depletion.The other cause is the rise in the temperature of earth and increase in the concentration of co2 which is not good for humans
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2015-11-18T20:15:25+05:30
1) industrial pollution
2) results of burning fossil fuels which release CO2
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