Oceanic crust . is thicker and denser than continental crust. b. comprises broad continental shelves along active continental margins and much narrower shelves along passive margins. c. is composed of gabbro and basalt overlain by sediment. d. gets younger the farther you go from the ridge axis.

Why are shark population in decline worldwide?

Triangle xyz is translated 4 units up and 3 units left to yield triangle x'y'z' what is the distance between any two corresponding points on triangle xyz and trianglex'y'z' ?

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