Question 8 of 10 2 Points
What is it called when people move from one country, region, or place to
another?
A. Export economy
B. Trade patterns
C. Population
D. Migration

Which of the following could affect the human population? a hurricane makes landfall on an uninhabited island.a deadly virus emerges that can pass from human to human.a civil war breaks out in italy.a solar eclipse occurs.

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

What are the biggest challenges facing the average american citizen today? explain.