Environment review

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Across
  1. 5. Our surrounding
  2. 6. Living thing different from plants and humans
  3. 8. Small rivers
  4. 9. Body of salt water
Down
  1. 1. Huge pieces of ice
  2. 2. Plants food
  3. 3. Body of flowing fresh water
  4. 4. Living thing different from animals and humans
  5. 7. Body of water surrounded by land