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Is air a homogeneous heterogeneous mixture or substance

User Marcosh
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Answer:

look at the explanation

Step-by-step explanation:

The air that you breathe is a homogeneous mixture of oxygen, nitrogen, argon, and carbon dioxide, along with other elements in smaller amounts. Because each layer of the Earth's atmosphere has a different density, each layer of air is its own homogeneous mixture.

Hope this helps. :)

User Grandpa
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