Air is an example of a mixture because the elements and compounds that make up air is restrain their individual properties

True

Explanation:

Air is indeed a mixture as the component compounds and mixtures retain their individual properties as opposed to a compound that sees the component elements lose some of theirs.

Air is a type of mixture known as a homogeneous mixture which means that no matter what quantity of air is present, the composite elements (Oxygen, nitrogen etc) and compounds( carbon dioxide etc) are of the same quantity.  

True

Explanation:

the answer is minerals.