What is the air that we breathe?
AA single pure gas
BA liquid solution
CA mixture of gases
DA solid compound
Answer & Solution
Correct answer: C. A mixture of gases
1. Gas particles are far apart, so gases mix into each other very easily.
2. Air is not one gas but several mixed together.
3. Nitrogen and oxygen are the two largest parts of that mixture.
_Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), A mixture of a gas and a gas_
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