environment

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Across
  1. 3. rubbish, very dangerous for the environment
  2. 4. range a lot of mountains and hills
  3. 5. a bigger sea
  4. 9. two and more islands
  5. 10. a place, where it is very hot
  6. 12. a lot of trees
Down
  1. 1. a small part of ground in a sea
  2. 2. use again
  3. 3. dangerous rubbish, made from plastic
  4. 6. a large part of ground
  5. 7. a tall plant, it grows up in forests
  6. 8. we also can call it rubbish
  7. 11. a lot of salt water