Earth Day

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Across
  1. 3. April 22nd
  2. 4. our land, air, and water
  3. 6. Reusing materials
  4. 8. patterns in weather
Down
  1. 1. where animals live
  2. 2. the gas layers of Earth
  3. 5. measure of heat and cool
  4. 7. filth in air and water