Statement A : Ozone layer prevents UV rays reaching the earth in excessive quantities.

    Statement B :  O + O2 →O3

  • Statement A is correct. But Statement B is not the correct explanation of Statement A
  • Statement A is correct but Statement B is the correct explanation of Statement A
  • A and B both are correct
  • A and B both are not correct
Statement A : Ozone layer prevents UV rays reaching the earth in excessive quantities. Statement B
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