Globally, sea levels have risen by inches over the past 100 years. a. 2 b. 3 c. 5 d. 7

The answer is D.7 because the reason behind it global warming yes you heard it right, due to rise in temperature that causes huge ice burg in north pole and south pole melt down and that is increasing the level of the sea every year, global warming is happened when we release lot of carbon dioxide and lot other harmful gases into the atmosphere and it also effects the ozone layer which protects the earth from the radiation of the sun but due to the harmful gases produced by vehicle and coal power plant it is penetrating the ozonw layer hand helping the sun light to warm our earth more and more causing increase in level.

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