Why is an air mass unlikely to form over the rocky mountains of north america

Over half of the african-american population in the united states live in

Write a 150word essay describing the effect of people's activities on the environment in the region.

Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders