What astronomers believed that the earth was the center of the universe, well all the other planets and celestial objects orbited it

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Asap! ! ! ! true or false the gobi desert, the largest desert in asia. covers parts of northern china and southern russia

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