Earth Day

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Across
  1. 2. when something is harming another thing
  2. 4. to use something old to make something new
  3. 6. very big plants that clean the air
  4. 7. the planet we live on
  5. 9. a gas that is part of the air
  6. 10. something that is not dirty
Down
  1. 1. what we breathe
  2. 2. when something is thrown away
  3. 3. the things we throw away
  4. 5. a special day to do good things for the Earth
  5. 8. to get something more of