Chemistry

Chemistry, 21.11.2019 14:31, stupidsmoke4272

Which of these is an element?
a. carbon dioxide
b. air
c. water
d. carbon
(i wanna be sure i am right on this questions so)

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Answers: 2

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Which of these is an element?
a. carbon dioxide
b. air
c. water
d. carbon<...

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