Environtment

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Across
  1. 3. ruin the ecosystem
  2. 4. car,bike,bus,taxi,plane
  3. 6. making something from a trash
  4. 7. flammable
Down
  1. 1. ecosystem
  2. 2. something that you throw away
  3. 3. something that moves a car
  4. 5. walk on . . .