unit 11

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Across
  1. 4. a high area of land that is not as high as a mountain
  2. 5. producing the result that you want
  3. 10. a mass of ice that moves slowly across land
  4. 13. a pointy top of a mountain
  5. 15. a supply of something
  6. 17. changes or makes something change from gas to a liquid
  7. 18. use later
  8. 19. changed completely
Down
  1. 1. the height of something above sea level
  2. 2. the flat land that lies between two mountains or areas of higher ground, and which often has a river flowing through it
  3. 3. rising or falling quickly, not gradually
  4. 6. a flat area of stone near a house, restaurant, etc. where people can eat, sit in the sun etc.
  5. 7. moves in a smooth and continuous way
  6. 8. substance that is water in gas form
  7. 9. when liquid water evaporates to clouds and go down as rain
  8. 11. allowed someone or something to be free
  9. 12. putting something somewhere and keeping it there
  10. 14. a line of mountains
  11. 16. a piece of ground that has one higher ground that has one side of a hill