The air, soil, and most foods and beverages are example of?

Mixtures

Explanation:

The air, soil, and most foods and beverages are example of Mixtures. Mixtures are a combination of two or more substances into a single substance. Air is a mixture of gases, soil is mixture of elements, most foods are also mixtures.

The mixture can be both homogeneous or heterogeneous. A homogeneous mixture has a uniform appearance throughout and uniform composition as well. Whereas, a heterogeneous mixture neither has uniform composition nor it has uniform appearance.

Molecules or atoms. One of those. although atoms make up everything so i would go with atoms.