Chemistry, 04.02.2021 21:30 Aliciaonfleek
Air contains about 78% nitrogen and 21% oxygen. What can you conclude from this fact? Air is a mixture of at least two gases Air consists of different states of matter Air is a pure substance Air consists of components that are chemically joined
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Air contains about 78% nitrogen and 21% oxygen. What can you conclude from this fact? Air is a mixtu...
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