It relates to the actual meaning which is "<span>a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change."</span>
We are sentient beings and must fulfill our purpose through interaction with our environment. Those decisions require thought, and thought is a response to an uncontrollable choice. I choose to sub to Pewdiepie.
Answer:
I think it’s A!
Explanation:
The other answers aren’t synonyms for parts.
