Question

which statement describes heterogeneous mixtures? they are made up of two or more pure substances that are not chemically bonded together and appear non - uniform. the substances they are composed of can only be separated chemically. the substances they are composed of have fixed ratios between their components. they are made up of two or more pure substances that are chemically bonded together and appear uniform. they are made up of two or more pure substances that are not chemically bonded together and appear non - uniform.

Explanation:

A heterogeneous mixture consists of two or more pure substances that are not chemically bonded and have a non - uniform appearance. The components of a heterogeneous mixture can be separated physically, and there is no fixed ratio between the components.

Answer:

They are made up of two or more pure substances that are not chemically bonded together and appear non - uniform.