Question

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What is global warming?

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Answer 1

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Global warming occurs when carbon dioxide (CO2) and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight and solar radiation that have bounced off the earth's surface.

Answer 2

Answer:

global warming is the increase in temperature of the earth.

Explanation:

1.due to release of CFCs excessively,it effects the ozone layer of the earth which allows ultra violet rays of sun.

2. excessive amount of carbon di oxide traps the heat .