Environmental Sciences, asked by bibhishanjagtap6763, 1 year ago

What happened to life-forms when the ozone layer formed in the upper atmosphere?

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Answered by sumanth68

Most air molecules are either oxygen (O2) or nitrogen (N2) molecules. ... Stratospheric ozone is formednaturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules, which make up 21% of theatmosphere.

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