Revision Unit 3

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Across
  1. 2. you throw litter into it.
  2. 3. I'm stuck in a ........
  3. 4. e.g paper, glass, plastic.
  4. 6. often lie on the streets.
  5. 7. it is determined by a thermometer.
  6. 9. e.g factory ......
  7. 10. cars can increase pollution levels in the .....
Down
  1. 1. people often cut down it
  2. 5. Air pollution affect a dramatic ......
  3. 8. they get out of cars