Question

হাতে কলমে কাজের মাধ্যমে খাদ্যলবন ও বালুর দ্রবন পৃথক
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Answer 1

The depletion of ozone causes the harmful UV rays to reach the earth and this has resulted in increased incidence of skin cancers in humans. UV rays may also cause genetic mutations in living organisms. To limit the damage to the ozone layer, the release of CFCs into the atmosphere must be reduced.