Earth Day

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Across
  1. 5. gradually wear away
  2. 8. to protect from harm
  3. 10. at risk of extinction
Down
  1. 1. another word for contamination
  2. 2. another word for dangerous
  3. 3. trash left lying in a public place
  4. 4. the act of using something again
  5. 6. to turn trash into reusable material
  6. 7. to make smaller
  7. 9. relating to the sun