Answer:
Commensalism is a type of symbiotic relationship where one party benefits and the other party is not significantly affected. A hermit crab takes over a discarded shell of a snail and uses it for his house. The hermit crab benefits and the snail are not affected - it's already discarded the shell and is nowhere around.
Explanation:
1. Not everyone learns at the same pace.
2. Something at home might of come up, loss of someone or sickness.
3. To give the chance to pass.
I think is d, because of how obvious or clear it is when you open a window or when sun shnines
I think the answer is explaining the idea with examples. I'm not sure but it's what I think it is.
I believe the answer is C. Pathos.
Hope this helps! :)