Answer:
Read below for example
Explanation:
An example would be the various types of mood you can access in the United States, it is never just hamburgers, there can be Mexican or even Chinese food. There are many fast food chain that serve these different types of food. This would be an example of a migrations impact on the world.
A. True yes San Diego is a megalopolis
Yes, and I think it's B,too
Hope it helps.
