If your options are these:
<span>A) It is very difficult to fully enjoy nature by oneself.
B ) To experience nature to its fullest requires mental effort.
C) No human being can fully and truly experience nature.
D)The enjoyment of nature is something that takes practice.
It might be said that the best option is B </span>To experience nature to its fullest requires mental effort because Emerson believed that the power in nature is due to nature and to human´s intelligence. What is more, Nature could help "individuals to be more content within society".
The answer is " to inform readers about the ways young people improve the world"
B is the correct marking because they quoted the teacher and used his quote in first person as if he was saying it again
I think the answer is c but I could be wrong!!