Everybody Jump: Randall Monroe

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Across
  1. 2. To rotate or revolve (7 letters)
  2. 3. A natural resource essential for survival (5 letters)
  3. 5. A continuous sound, especially one that's unpleasant (5 letters)
  4. 11. A loud, prolonged sound (4 letters)
  5. 12. Stiff or unbending (5 letters)
  6. 13. Portable communication devices (6 letters)
  7. 14. The remains or fragments of something (5 letters)
  8. 16. A substance that powers vehicles (3 letters)
  9. 18. The process of building or creating a new system (12 letters)
  10. 19. Something edible (4 letters)
  11. 20. A system of organizing or ranking people (9 letters)
  12. 21. To move unsteadily or with difficulty (7 letters)
  13. 22. The use of physical force to harm others (8 letters)
  14. 23. Law enforcement officers (4 letters)
  15. 24. The study of motion (10 letters)
  16. 28. When something falls downward (7 letters)
  17. 29. A process of searching or looking for something (8 letters)
  18. 32. A U.S. state mentioned in the passage (5 letters)
  19. 33. The spoken form of communication (8 letters)
  20. 35. Marks left by footsteps (10 letters)
  21. 38. To completely surround or cover (7 letters)
  22. 41. A store where food and other necessities are sold (7 letters)
Down
  1. 1. The ability of something to hold or contain (8 letters)
  2. 2. Those who remain after others are gone (9 letters)
  3. 4. To fall apart or break down (8 letters)
  4. 6. A substance that powers electric devices (12 letters)
  5. 7. Left behind or no longer in use (9 letters)
  6. 8. The total number of people living in a place (9 letters)
  7. 9. The movement of the Earth around the sun (5 letters)
  8. 10. Places where planes take off and land (8 letters)
  9. 13. A term used for the world or any large body (6 letters)
  10. 15. A force that pushes or squeezes (8 letters)
  11. 17. The act of taking something unlawfully (5 letters)
  12. 21. A message or sign sent from one place to another (6 letters)
  13. 25. The result or outcome of an action (6 letters)
  14. 26. The specific amount of space a place occupies (4 letters)
  15. 27. Happening immediately (7 letters)
  16. 30. A large group of people or things (5 letters)
  17. 31. The third planet from the sun (5 letters)
  18. 34. To leap or spring into the air (4 letters)
  19. 36. Congestion on roads or highways (7 letters)
  20. 37. A public system of interconnected wires or channels for communication (7 letters)
  21. 39. Power or force that makes things move (6 letters)
  22. 40. A substance used for driving vehicles (4 letters)