HOW YALL (✿◕‿◕✿) so my real question is: Which part of the ear converts vibrations into nerve impulses? A: cochlea

B: eardrum

C: auditory nerve

D: outer ear

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.