Earth day puzzle

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Across
  1. 1. Poison
  2. 3. No processed
  3. 6. To protect
  4. 8. Place where animals live
  5. 10. Trash thrown out by humans
Down
  1. 2. Piles of trash from humans covered by dirt
  2. 4. mixture of gases
  3. 5. Rays
  4. 7. Once living now gone
  5. 9. To reuse