ESL 8 2-3 vocabulary

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Across
  1. 1. where a river enters into the ocean
  2. 6. an area of low, flat land
  3. 8. describes the process by which water is reused in the natural system
  4. 9. taking the salt out of the water for drinking
  5. 10. a narrow piece of land connecting two larger pieces of land
  6. 12. part of the land that reaches out to the sea until it drops off
  7. 13. to change form
Down
  1. 2. changing water from liquid to vapor
  2. 3. water that is in the crust of the earth
  3. 4. an area of high, flat land
  4. 5. water changes from vapor to liquid or frozen state
  5. 7. a deep valley in the sea
  6. 11. rain with chemicals due to pollution