I believe it would be the second option
<span>The answer to the question is the adjective temporary, it fits all the three description provided, it an adjective since it is word that describes other words, it means not permanent or lasting only for a period of time. Temporary has 9 letters in all.</span>
Answer: A). People can have a big impact on others' lives without realizing it.
Explanation: The other options seem worthy as well but this one is the appropriate choice.
Answer:
to lend credibility to the claim that other species also use tools
Explanation: it makes more sense than all the other options B to show chimpanzees are not intelligent disproves her first point at the start of the story especially when she said accept as human because humans are the smartest animals there is and let us be honest C is just obviously wrong.