Answer:
there were several important cities that came into being as centers of trade and religion, such as Mecca, Medina (Yathrib), Karbala, and Damascus.
Explanation:
Answer: Probably, harder the mineral it scratches. It makes more sense.
one way we impacted are land is from the weight we are stressing on the earth. one way we are are water is by littering into the water with harsh chemicals and trash. the best way to fix these problems are by slowing down population and finding better ways to dispose of trash by not littering.