Before the Scientific Revolution, Geocentrism was widely accepted as the model for how the Universe worked. Which of the following statements explains Geocentrism? A. All celestial bodies (planets, moons, stars) gravitate towards each other.
B. The earth and planets revolve around the Sun.
C. The Sun is the center of the Universe.
D. The moon, sun and planets all revolve around Earth.

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