Help plz Question 8(Multiple Choice Worth 2 points) (01.05 LC)

Which states of matter have the same volume when moved?

Gases and liquids
Gases and solids
Liquids and solids
Solids, liquids, and gases

In a chemical reaction, the number of moles of the reactants a. should never be equal to the number of moles of the products. b. may or may not be equal to the number of moles of the products. c. depends on the amount of product that is formed. d. should always be equal to the number of moles of the products.