Earth Day

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Across
  1. 2. garbage that we throw out
  2. 3. to reuse something rather than throw it away
  3. 5. layer of earth that protects us from the sun
  4. 7. what we breathe every day
  5. 9. letting out bad elements into our environment
Down
  1. 1. liquid that we need to live
  2. 4. where we take out trash
  3. 6. third planet on earth; where we live
  4. 8. everything around us