In science, a catalyst would be a substance that increases the rate of a chemical reaction; however, the definition when discussing language would be "someone or something spurring an event or action".
Answer:
C.nature vs. nurture
Explanation:
Nature versus nurture is a debate in psychology. Nature refers to the <u>effect of biological and genetic predispositions on out characteristics</u>, while Nurture refers to the e<u>ffect of learning and environment</u> on us. Here, Jimmy’s father is talking about biological impacts that is <u>nature</u>.