Select all of the true statements about deep ocean currents. a. they form gyres. b. they transport heat across earth's surface. c. they are known as "thermohaline circulation." d. they are caused by wind and earth's rotation. e. they are driven by density differences in the water. f. they take hundreds to thousands of years to complete a cycle. (the answers are c. e. and f. by the way.)

What would happen to kenya's pyramid if there was a rapid decline in its: a) birth rate b) death rate

Religious beliefs of indigenous peoples of oceania connected them to

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