About `20km` above the earth ,there is an ozone layer ,Which one of the following statement about ozone and ozone layer is true?A. Ozone layer is beneficial to us because ozone cuts out the ultraviolet radiation of the sunB. The convertion of ozone to oxygen is an endothermic reaction.C. Ozone is a triatomic linear molecularD. Ozone layer is harmful to us because it cuts out a radiation useful for photosynthesis.

About `20km` above the earth ,there is an ozone layer ,Which one of th

1.	About `20km` above the earth ,there is an ozone layer ,Which one of the following statement about ozone and ozone layer is true?A. Ozone layer is beneficial to us because ozone cuts out the ultraviolet radiation of the sunB. The convertion of ozone to oxygen is an endothermic reaction.C. Ozone is a triatomic linear molecularD. Ozone layer is harmful to us because it cuts out a radiation useful for photosynthesis.
Answer» Correct Answer - A

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