The answer to your problematic question would indeed be the letter C.
B.Examines various aspects of a work of literature, often examining the work’s importance
Answer:
The unity of man and nature. Human beings live in the realm of nature, they are constantly surrounded by it and interact with it. The most intimate part of nature in relation to man is the biosphere, the thin envelope embracing the earth, its soil cover, and everything else that is alive.
Explanation:
We know that 'migrate' means to move. So since that, we need to add the -ing, and we know that we end up with the meaning "moving".
So migrating means moving from one place to another.
Don’t understand what you mean by diagrams worked very late
