Wave and Human Impact Crossword

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Across
  1. 5. the reception of energy, describes the process of the energy of a wave being transferred to the matter in which it travels to
  2. 7. The amount of something in an area divided by the number of people in that area
  3. 9. abrupt change in the direction of propagation of a wave that strikes the boundary between different mediums
  4. 12. A methoed of using dots, dashes, and spaces to communicate
  5. 13. Getting renewable resource to the point of reducing returns
  6. 15. the material in which waves travel
  7. 18. a time or date at which the sun reaches its maximum or minimum declination
  8. 19. the name of a wave whose motion is perpendicular to the mediums direction
  9. 20. the number of waves that pass a fixed point
Down
  1. 1. changing the frequency or amplitude of the carrier wave
  2. 2. a single thread or a thin flexible threadlike object, object, process, or part
  3. 3. max extent of a vibration measured from the point of equilibrium
  4. 4. The name of a wave whose motion is parallel to the mediums direction
  5. 6. the time or date at which the sun crosses the celestial equator
  6. 8. the change in direction of a wave passing Fritos one medium to another caused by the change in speed
  7. 10. A signal that contains analog information which is not continuous
  8. 11. To introduce a harmful subject/thing that has poisonous effects
  9. 14. An environment for organisms or home
  10. 16. An area where plants, animals, and organisms along with weather and landscape work together to form a habitat
  11. 17. a disturbance that transfers energy from point to point