The atlantic ocean is expanding. what does this tell us about plates under the atlantic ocean?
a. they are being forced down
b. they are being force apart
c. they are being pressed together
d, most likely nothing is happening to the plates

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.