Answer:
I think it is B.
Explanation:
By process of elimination. It doesn't do any of the things mentioned in the other options.
It DOES NOT give future insight... (A)
It does show changes in U.S. agriculture. (B)
It DOES NOT identify different herbicides. (C)
It DOES NOT explain insect-resistant crops. (D)
and It DOES NOT clarify how to handle changes. (E)
Hope this helps!
Its the second one, a valley! Hope this helps :)
B.........................
