Question

which is a characteristic of mixtures? they are chemically bonded together. they can be classified as pure substances. they have fixed ratios between their components. they can be separated by physical processes.

Explanation:

Mixtures are composed of two or more substances that are not chemically bonded. They are not pure substances and have variable ratios of components. Physical processes like filtration, evaporation can separate them.

Answer:

They can be separated by physical processes.