Answer:
a. solid- liquid mixture: Mixture that involves a solid and liquid substance.
b. solid- solid mixture: Mixture that involves two solid substances.
c. solid-gas mixture: Mixture that involves both a solid and gas substance.
d. liquid-liquid mixture: Mixture that involves two liquids.
e. liquid - gas mixture; Mixture of a liquid and a gas.
f. gas-gas mixture: Mixture of gases.
Explanation: Hope this helps.