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Choose the correct statements.
I) DNA and proteins preferentially absorb UV rays and its high energy breaks the chemical bonds within these molecules.
II) Chlorofluorocarbons (CFCs) act as green house gases as well as ozone depleting substances.

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Both I, II are correct

Both I, II are incorrect

Only I is correct

Only II is correct

answer is A.

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Detailed Solution

UV rays destroy the DNA and proteins.

CFCs are green house gases which can deplete ozone.

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