B & C in my opinion. If it asks for one— B. is what I would choose.
Answer: They have larger ranges and thresholds.
Explanation: The rank-size rule defines range as the longest distance that a customer will travel to purchase a good or service. Threshold is the minimum market needed to support the supply of a product or service. It is assumed that customers which travel longer distances to purchase a higher-order good or service, and a provider of such goods and services will require a larger customer base to make a profit. Thus, higher-order services have larger ranges and thresholds.
Answer:
B.
I could wrong that because there many theory.
I choose B that because my feelings think B make any sense?
Number one is "sand dunes".
Number two is "the breakdown of rock through mechanical disintegration and physical stress."
<span>b. distribution of sunlight is the answer</span>
