Answer:
it might be B,C,D doesnt tell me
Explanation:
sorry for not a straight answer but all i know it isnt A
Answer:
I think the answer is the oak tree..... I hope it is.
With the A. migration of people from fertile areas, knowledge of agriculture spread by diffusion.
When people migrate from a place, they move into other areas. When something diffuses, it spreads around.
I highlighted some key parts of the section.
Short summary: This section basically says that reading and analyzing literature helps people get involved with it and remember it more.