Earth Day

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Across
  1. 2. A place where rubbish is buried.
  2. 3. Many people plant these on Earth Day.
  3. 6. To use again.
  4. 7. The type of pollution that is because of rubbish on the ground.
  5. 9. The type of pollution that is because of dirty smoke.
  6. 11. To process waste for future use.
  7. 12. Throw away your __________ in the bin. Don't litter.
  8. 13. To use less.
Down
  1. 1. Raw materials provided by nature (two words).
  2. 4. Turning off the lights can help save _______.
  3. 5. The type of pollution that is because of dirty sewage and waste in rivers, lakes and oceans.
  4. 8. The type of pollution that is because a place is too loud.
  5. 10. A popular colour on Earth.