It depends on the connotation of the word.
a. mentor- helps you shape your future
b. dictator- negative connotation, too controlling
c. leader- guidance
d.teacher- fills your knowledge
I WOULD SAY C. LEADER
Answer: C) Poison dart frogs are brightly colored and poisonous to animals that eat them.
A is not the answer because that line explains where frogs get their names from, and introduces the topic of bright colors talking about the frog's bright eyes. B links the topic of bright colors to the fact that they serve as a warning sign for poison or danger, and D supports this topic by stating that bright colors help red-eyed tree frogs survive in nature. C, on the other hand, introduces a new species of frog that is not talked about during the rest of the essay, and it does not support the idea of colors being crucial in the red-eyed tree frog's surivival.
The main purpose of the detail is to show that recycling is important. Statistic shown by B can help show that recycling is not deemed important but should be.