Question

what can mixtures be composed of? mixtures can only be composed of solid materials. mixtures can be composed of solids, liquids, and gases. mixtures can only be composed of liquid substances. mixtures can only be composed of gases.

Explanation:

Mixtures can include combinations of solids, liquids, and gases. For example, air is a mixture of gases, salt - water is a mixture of a solid (salt) and a liquid (water), and cereal with milk is a mixture of a solid (cereal) and a liquid (milk).

Answer:

Mixtures can be composed of solids, liquids, and gases.