Environmental Crossword

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Across
  1. 4. Use of organic rubbish as plant fertilizer
  2. 5. All the animals, plant and natural landmarks
  3. 6. To make something dirty
  4. 8. All the animals that live in the wild
Down
  1. 1. The place where a species lives
  2. 2. To throw garbage away
  3. 3. Sort of carbon dioxide
  4. 4. To share a car
  5. 7. Synonym of eject