The north american cordillera is a(n)

a) area of volcanism extending from the northeast united states into canada
region of little deformation during the cenozoic era
b) complex mountainous region in the western u. s.
c) broad area of low relief on the east side of the appalachian mountains
d) area along the gulf coast where huge quantities of cenozoic sediments were deposited

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population