How does breaking up a solid speed dissolving in a liquid? OA.
increases the surface area
OB.
decreases the surface area
O c.
decreases the pressure
OD
increases the pressure

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.