Statement 1 : Upper layer of stratosphere is known as ozone layer which plays vital role for human survival. Statement 2 : Ozone layer absorbs most of the I.R. Rays which are very harmful to human beings.

Options

A. statement 1 is true, statement 2 is true, statement 2 is correct explanation of statement 1
B. statement 1 is true, statement 2 is true but is not the correct explanation of statement 1
C. statement 1 is true, statement 2 is false
D. statement 1 is false, statement 2 is true.