Across
- 2. ......bears: animals which live in the North Pole.
- 4. animals, birds, insects which live in nature.
- 5. gases which come from cars, cigarettes and factories.
- 7. material, like medicines.
- 8. collecting paper,plastic,glass and metal selectively to use them again.
Down
- 1. ........warming, the temperature of the Earth goes up because of gases
- 2. animals that live in the South Pole.
- 3. paper,bottles, cans etc that you throw away.
- 6. a form of energy which comes from cables when you switch on the light