The Ultraviolet Index (UVI)

The ultraviolet index (UVI)

A) is used to measure the amount of ultraviolet radiation intercepted by the upper atmosphere.
B) calculates the quantity of ultraviolet radiation that can be absorbed by stratospheric ozone per minute.
C) was developed to help people deal with the expected risk of exposure to the Sun and ultraviolet radiation related to skin damage.
D) is an outdated measure of solar radiation input.
E) was developed by European atmospheric scientists.