Earth Day

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Across
  1. 3. making products avoiding the depletion of natural resources.
  2. 6. the physical world mostly that are non living
  3. 8. to use something more than once
  4. 9. the production and discharge of gases into air
  5. 10. a synthetic material which takes time to degrade
  6. 12. gases: any gas, especially carbon dioxide, which contributes to the greenhouse effect by absorbing radiation
Down
  1. 1. instead of throwing things out
  2. 2. fuel such as coal and oil that is formed.
  3. 4. not depleted when used.
  4. 5. trash that is left lying in an open or public place
  5. 7. the natural organisms, flora, and fauna
  6. 11. a substance that has poisonous effect on earth