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ENVIRONMENT

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Across
  1. 2. song of Britney Spears
  2. 4. a mixture of smoke, gases, and chemicals
  3. 7. Fahrgemeinschaft
  4. 9. verrotten
  5. 12. opposite of reforestation
  6. 13. a long period of time when there is little or no rain
  7. 14. the act of covering something to stop heat
  8. 15. a chemical substance used to kill harmful insects, small animals, wild plants, and other unwanted organisms
Down
  1. 1. biologisch abbaubar
  2. 3. schadstoffbelastet
  3. 5. Aufforstung
  4. 6. Clouds of toxic fumes escaped in a huge chemical factory blaze
  5. 7. a substance that causes cancer
  6. 8. the existence of a large number of different kinds of animals and plants
  7. 10. to use things like energy, fuel, materials, food, water, etc.
  8. 11. to spread a natural or chemical substance on land or plants
  9. 16. aussto├čen