Earth Day

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Across
  1. 2. round planet where we live
  2. 4. chemicals or trash that make the Earth dirty
  3. 5. to use something again
  4. 6. turning the materials from trash into something new
  5. 8. help clean the air
  6. 9. a color that means earth friendly
Down
  1. 1. to use something less
  2. 3. trying to protect or preserve something
  3. 7. trash that people leave on the ground