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Question : Assertion : Ozone layer absorbs UV radiations emitting from sunlight and prevents it from reaching the earth. Reason: Due to continuous addition of Cl^(-) in the atmosphere, ozone is depleted.(A) both A and R are true and R is the correct explanation of A(B) both A and R are true and R is not the correct explanation of A(C)A is true but R is false(D) Both A and R are false

Answer»

both .A. and .R. are true and .R. is the correct EXPLANATION of .A:
both .A. and .R. are true and .R. is not the correct explanation of .A.. 
 .A. is true but .R. is FALSE.
Both .A. and .R. are false. 

Answer :B


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