Across
- 4. warming a rise in the average temperature of the earth's atmosphere
- 7. the angular distance from the prime meridian at Greenwich
- 8. the process of absorbing one cultural group into another
- 9. the dispersion of something that was originally localized
- 10. a line that indicates a boundary
- 11. an imaginary great circle on the surface of the earth
- 13. the movement of persons from one locality to another
- 15. the act of settling a group of people in a new place
- 16. come into a new country and change residency
- 20. a new or reserve supply that can be drawn upon when needed
- 21. one of the large landmasses of the earth
- 22. the configuration of a surface and its features
- 25. the number of inhabitants in a given place
- 26. half of the terrestrial globe
- 29. noticeable variety
Down
- 1. the weather in some location averaged over a period of time
- 2. leave one's country of residence for a new one
- 3. a line determining the limits of an area
- 5. a statistic characterizing human populations
- 6. the variety of plant and animal life in a habitat
- 12. organisms interacting with their physical environment
- 13. ratio of deaths in an area to the population of that area
- 14. a large indefinite location on the surface of the Earth
- 17. the quality of moving freely
- 18. an imaginary line around the Earth forming a great circle
- 19. a piece of ground having specific characteristics
- 23. an exile who flees for safety
- 24. an imaginary line around the Earth parallel to the equator
- 27. a large mass of land projecting into a body of water
- 28. an affiliation resulting from racial or cultural ties