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How is light useful?
+10
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asked
Mar 24, 2015
in
Science
by
anonymous
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1
Answer
+1
vote
answered
Mar 24, 2015
by
whizkid
(
71.0k
points)
Without light you could not read this message. Seems useful to me!
commented
Apr 6, 2015
by
anonymous
good thinking!
commented
Oct 27, 2017
by
that's game
wow so great. you are amazing
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