Which statement describes heterogeneous mixtures?
AThey are made up of two or more pure substances that are not chemically bonded together.
BThey appear uniform, like a pure substance.
CThey have fixed ratios between their components.
DThey are made up of two or more pure substances that can be separated only by chemical processes.
AThey are made up of two or more pure substances that are not chemically bonded together.
BThey appear uniform, like a pure substance.
CThey have fixed ratios between their components.
DThey are made up of two or more pure substances that can be separated only by chemical processes.