Multiple Choice
Refer to Infographic 1.Why is it that the form of ultraviolet light to reach the surface,UV-B,causes sunburns and skin damage but the most energetic form,UV-C,is of no concern whatsoever? 
A) Water vapor in the air filters all but UV-B.
B) CFCs in the air filter all but UV-B.
C) Radiation from the sun is mostly UV-B.
D) UV-A radiation passes through the atmosphere easily,UV-B is absorbed by the stratospheric ozone layer,and UV-C is absorbed by oxygen (O2) .
E) NOx reacts with UV-B and UV-C.
Correct Answer:
Verified
Correct Answer:
Verified
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