Earth Day

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Across
  1. 3. To use less of
  2. 6. A movement focused on protecting our earth
  3. 9. To throw rubbish on the ground
  4. 10. To use again
  5. 11. These create oxygen
  6. 12. Where you use food scraps to fertilize plants.
Down
  1. 1. Trees produce this
  2. 2. _________ Gases are the gases in the atmosphere that raise the surface temperature of planets.
  3. 4. A deadly form of pollution that effects our marine life.
  4. 5. To find another purpose for an item
  5. 7. Contamination of the air
  6. 8. A layer of gases around our atmosphere which protects us from the suns harsh rays