air is combination of nitrogen gas and oxygen gas with various amounts of other matherials such as water vapour, carbon dioxide and particulates. it indivates that air is _____.
A.an element
B.a compound
C.a mixture
D.a pure substance
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air is combination of nitrogen gas and oxygen gas with various amounts of other matherials such as water vapour, carbon dioxide and particulates. it indivates that air is _____.
A.an element
B.a compound
C.a mixture
D.a pure substance
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Answer:
C.
Explanation:
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