Yum

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Across
  1. 3. Anything that takes up space and has mass.
  2. 8. Breaking down of rocks into smaller pieces.
  3. 9. Rate at which energy is used.
  4. 10. Rain mixed with harmful gases from pollution.
  5. 14. Stored energy
  6. 16. Energy of motion.
Down
  1. 1. A force that holds molecules together.
  2. 2. a substance that starts a chemical reaction.
  3. 4. Ability to do work.
  4. 5. Water that flows over land after rain.
  5. 6. The loss of nutrients from soil by water.
  6. 7. a substance that forms as a result of a chemical reaction.
  7. 11. The process of releasing energy from food.
  8. 12. Also known as the hydrologic cycle or hydrological cycle.
  9. 13. Study of energy
  10. 15. It is needed by all known forms of life.