Earth Day

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Across
  1. 1. the main growing part for plants
  2. 4. harmful substances that are put in our environment
  3. 7. the first R in the 3 R's
  4. 8. the study of the natural world
Down
  1. 2. leaving your trash around
  2. 3. the month earth day takes place in
  3. 5. a big body of water
  4. 6. the color of grass