Pollution

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Across
  1. 2. How many main types of pollution are there?
  2. 5. Pollution affects the...
  3. 6. Transportation negatively affects the environment by...
  4. 7. What kind of transportation should we use?
  5. 9. What is released into the environment 60000 tons a day?
  6. 10. ...the lights when not in use
Down
  1. 1. What can be decreased if we plant trees?
  2. 3. What is the cause of lung cancer?
  3. 4. What does plastic pollution cause?
  4. 7. Harmful substances into the environment
  5. 8. Say no to .... bags