The Dark Ages started, named for which for having lack of learning and establishment of feudalism.
B. Sea life. This is because all of the other three options are very publicized, but sea life is not.
Hippocrates was the first to separate medicine from philosophy & HE believed in the importance of diet & exercise for a healthy body
I know that John Locke is natural rights
The Nile flows from south to north because the land in southern Egypt is at a higher elevation than the land in northern Egypt.