Multiple Choice
Infographic 2.1.
-Refer to Infographic 2.1. Why is it that the least energetic form of ultraviolet light, UV-A, 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-A.
B) CFCs in the air filter all but UV-A.
C) Radiation from the sun is mostly UV-A.
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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