bahasa inggris

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Across
  1. 2. green plant
  2. 3. to reduce waste
  3. 4. to use something again
  4. 6. to save water
  5. 7. many mountains
  6. 9. a place whit many tress
  7. 11. A person who protects
  8. 13. a place to throw garbage
Down
  1. 1. environmental pollution
  2. 4. flowing water
  3. 5. A place whit many trees
  4. 6. salt water is called
  5. 8. a big river
  6. 10. the air that we breathe
  7. 12. air pollution