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2. A ______________ is an area in which many features are similar.

3. What is region

4. _______ includes the United States, Canada, and Mexico

5. What is North America

6. The peaks of the __________ have been worn down by erosion

7. What is Appalachian Mountains

8. ___________ cover most of the central United States.

9. What is plains

10. Many Scientists think there was once a ______ that linked to Asia to North America

11. What is land bridge

12. A _________ is an extra amount

13. What is surplus

14. An ________ is the way people use their resources to meet their needs.

15. What is economy

16. How would you describe the landform known as the Costal Plain?

17. What is flat low land along the Atlantic ocean.

18. This state includes a large part of the Great Basin.

19. What is Nevada

20. These are the bodies of water that people built dams across to form reservoirs.

21. What are rivers

22. This means to change

23. What is Modify

24. A stream or river that flows into a larger stream or river is a ____________

25. What is a tributary

26. Soil, plants, water, and minerals are some of the ________ that people can use.

27. What are natural resources

28. The system of moving water through pipes and or drains is called _________

29. What is Irrigation

30. The land drained by a river system is called a ________

31. Drainage Basin

32. The position of one place compared to other places is called ___________

33. What is relative location

34. Something found in nature that people can use is called _____________.

35. What is natural resources

36. The wearing down of Earth’s surface by wind or water is called __________

37. What is erosion

38. The surrounding in which people, plants, and animals live is called _________

39. What is environment

40. The precise location of a place is called ________

41. What is absolute location

42. Resources that can be remade by people or nature are called ___________

43. What are renewable resources

44. Resources that can not be remade or would take millions of year to be remade are called _____________

45. What are non- renewable resources

46. Places located near the _________ have a warmer climate

47. What is the equator

48. What is the relationship between the earth and the sun that causes the seasons?

49. What is the change in the earth’s tilt towards the sun

50. The climate of the Southwest is different from the Northeast because ___________

51. What is hotter and drier