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Rashid [163]
3 years ago
9

Which of these can be classified as a substance A) oxygen B) carbon dioxide C) air D) acid rain

Chemistry
2 answers:
ratelena [41]3 years ago
4 0

D could be a answer

Julli [10]3 years ago
4 0

Answer:

carbon dioxide

Explanation:

the rest are mixtures

A chemical substance is composed of one type of atom or molecule.

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