Oceanic are deep valleys on the ocean floor, some having depths of over seven kilometers.

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

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