Earth Day

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Across
  1. 4. harmful substances that affect the environment
  2. 5. prevent something/someone from harm
  3. 6. an increase of the earth’s temperature
  4. 7. a potential buyer
  5. 9. cutting down trees
Down
  1. 1. involving many countries around the world
  2. 2. the whole country is being involved
  3. 3. the environmental damage by one person
  4. 5. an organized public display of disapproval
  5. 8. used for planting