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Which TWO statements about ultraviolet (UV) light are true?
A) It makes microbes in drinking water harmless.
B) It harms plants that grow downstream from dams.
C) It is a type of sunlight that gives people sunburns.
D) It causes bacterial growth in old water pipes.
E) It increases the growth of dangerous microbes in reservoirs.
Explanation: in A, it does kill microbes in water. Some people even make filters with UV light! The type of light the sun produces is UV light. That type of light causes sun burns
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