I think:
C. Small middle sections of the country
Answer:
A. Concentric rings of different agricultural activities surrounding a city in the midwestern United States.
Explanation:
It represents the price variety that a house-hold (or firm) would be responsible to spend at numerous locations in order to accomplish a given level of compensation (monopoly/ profits). The enterprise that has the most high-priced bid rent is probably the movement that will occupy this neighborhood.
Hello There! ^_^
Your question: Which one of the following times would be the longest..?
You answer: The Paleozoic Era would be the longest time span.
the answer is option B.
Hope this helps!
It is called a flood plain because it is a big wide space in which allows the water to flow currently.