Across
- 4. A stream that flows into a larger
- 5. such as sea level.
- 6. waters drain either toward the
- 8. in a region, such as temperature,
- 11. North America, and South America.
- 12. enclosed by land.
- 13. A natural resource that is
- 15. The way people use and change
- 16. insufficient rainfall to support trees
- 19. A large river and its tributaries.
- 20. natural environment.
- 21. A line showing where North
- 24. woody plants: an arid climate.
- 25. Sharing an edge or boundary;
- 27. economic value.
- 28. as timber, fresh water, or a mineral
- 30. A material source of wealth,
- 32. or other body of water
- 33. Lacking moisture, especially
- 35. One of the main land masses
Down
- 1. that occurs in a natural state and
- 2. The location of a place in
- 3. and wind.
- 7. The totality of the natural world,
- 9. A natural resource that can be
- 10. The usual pattern of weather
- 14. to someplace else.
- 17. A large area of a sea or ocean
- 18. or toward the Atlantic Oceans.
- 22. excluding humans.
- 23. Natural processes that wear
- 26. Earth: Africa, Antarctica, Asia, Australia,
- 29. The height above a defined
- 31. material from Earth’s surface.
- 34. in limited amounts and cannot be