Simile to compare his hair to a mule's tail.
Answrs: Part a) "Facts from a documentary.." This is talking about the benefits of artificial organs instead of donated ones.
Part b) "There are several ..." Because it is a sentence that is likely to precede facts. The others are opinions about how something 'SHOULD' be, and aren't presenting facts or claiming something.The first one 3ven says "I think..." which is clearly an opinion.
Answer:
It’s tough to watch our children struggle through the hardships that can teach life lessons—even when we know they’ll come out stronger for it on the other side.
Answer:
D hope that helps you buddy
Explanation: