What is the Ultraviolet Index?
A) It is an index that measures the amount of ultraviolet radiation intercepted by the upper atmosphere.
B) It is an index used to report the quantity of ultraviolet radiation that can be absorbed by total stratospheric ozone per minute.
C) It is an index that was developed to help people deal with the expected risk of exposure to the Sun and ultraviolet radiation related skin damage.
D) It is an outdated measure of solar radiation input.
Correct Answer:
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