Lesson 3.

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Across
  1. 2. extremely useful or helpful
  2. 3. a sudden
  3. 6. extreme and sudden
  4. 8. an example that others can follow
  5. 10. cleverness or creativity in solving problems
  6. 14. low
  7. 16. likely to experience something (usually bad)
  8. 18. flat land near a river that floods easily
  9. 19. a short or quick look
  10. 20. important or meaningful
  11. 22. the design and structure of buildings
  12. 26. something that is needed
  13. 28. to put something down
  14. 31. to praise or call attention to something
  15. 32. proof or evidence of something
  16. 33. the quality of being exact or accurate
  17. 34. to use something for a purpose
  18. 36. the way things are arranged
  19. 38. the determination to keep going despite difficulties
  20. 41. to show clearly with evidence or examples
  21. 43. good at solving problems using what’s available
  22. 45. into position to move smoothly into place on water
  23. 47. to bring two things into agreement
  24. 50. the ability to continue without harming the future
  25. 54. to be amazed at something
  26. 58. related to the environment and living things
  27. 59. large in amount or coverage
  28. 60. full of activity and movement
  29. 63. watchful and alert for danger
  30. 64. operated by the pressure of a liquid
  31. 67. completely under water
  32. 68. the wide range or extent of something
  33. 70. working together with others
  34. 71. something that protects from harm
  35. 72. the quality of being dependable
  36. 75. to stay for longer than expected
Down
  1. 1. a limit or restriction
  2. 4. the process of making land usable again
  3. 5. to break down into smaller parts
  4. 6. to release something
  5. 7. the ability to change when needed
  6. 9. to improve or sharpen a skill
  7. 11. to deal with or struggle with something
  8. 12. a new plan or action to solve a problem
  9. 13. a landform where a river splits before entering a larger body of water
  10. 15. a defensive wall or structure
  11. 17. to cause great destruction or suffering
  12. 21. the act of joining two or more things together
  13. 22. a structure built to carry water over a distance
  14. 23. modern or current
  15. 24. the importance to a topic or situation
  16. 25. basic structures needed for a society
  17. 27. by that means; as a result
  18. 28. the process of removing water from an area
  19. 29. to strengthen or support
  20. 30. a state of being steady and unchanging
  21. 34. advanced knowledge or skill in a subject
  22. 35. a great or difficult achievement
  23. 37. relating to shapes and space
  24. 39. the use of science and math to build structures or machines
  25. 40. a guard or watchful protector
  26. 42. involving great damage or suffering
  27. 44. more than is needed
  28. 46. the ability to recover from difficulties
  29. 48. into to gradually develop into something
  30. 49. to highlight or emphasize
  31. 51. with closely connected or linked together
  32. 52. something set up for use
  33. 53. the ability to see or plan for the future
  34. 55. to be made up of
  35. 56. to think of or imagine something
  36. 57. to begin or try to do something
  37. 61. to show the best qualities of something
  38. 62. a difficult effort or fight
  39. 65. not traditional or usual
  40. 66. land that can be used to grow crops
  41. 67. advanced and complex
  42. 69. to push something forward
  43. 73. to turn something upside down or reverse it
  44. 74. to motivate or encourage someone