Describe, in at least five sentences, what mantle convection is and its role in the movement of the tectonic plates, volcano formation and earthquakes.

How do the various countries in east asia meet their power needs? give specific examples

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

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