physics

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Across
  1. 2. to mark
  2. 3. to serve as a symbol
  3. 4. a city of north-central Colorado north west of denver
  4. 5. corresponding in size or amount to some thing else
  5. 9. to put to use or effect
  6. 10. reversed in order, nature, or effected
Down
  1. 1. not significant or important enough to be worth considering
  2. 6. the act or instance of resisting or the capacity to resist
  3. 7. a small stone, especially one worn smooth by erosion
  4. 8. to push or drive quickly and forcibly