Across
- 4. If the climate gets warmer, the ice caps will___________.
- 5. To use one thing again and again. You do that with paper, plastic bottles...
- 6. The place where you can find one or more kinds of animals or plants. __________.
- 7. The energy that comes from the sun.
- 10. The things that we throw away because we don’t need them or we don’t like them.
Down
- 1. If all tigers disappear, they become__________.
- 2. If we destroy trees, the _______ will change.
- 3. A: What's in the big ____________? B: It's my new computer.
- 8. The air in the big cities is often _____________.
- 9. A thing where we put rubbish.