The effortful processing of information
a. typically interferes with the capacity to
think creatively.
b. cannot easily be suppressed and inhibited.
can become automatic through practice.
d. occurs less frequently among adults than
children.
e. takes place in the cerebellum.

d. the weight of the book

the answer to you question is   jet streams

idk lol use google m8

it provides an alternative energy pathway for the reaction to proceed.

a catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

catalysts increase the rate of reaction without being used up. they do this by lowering the activation energy needed. with a catalyst, more collisions result in a reaction, so the rate of reaction increases. different reactions need different catalysts.

a catalyst works by providing an alternative reaction pathway to the reaction product. the rate of the reaction is increased as this alternative route has a lower activation energy than the reaction route not mediated by the catalyst.