Across
- 2. something prepared in factories
- 4. something that drives cars
- 6. something surrounding the earth
- 7. it breaths in Carbon dioxide
- 8. also something that can help global warming
Down
- 1. it gives heat to the world
- 2. one of the greenhouse gases. it begins with c
- 3. the name of the planet we live in
- 5. something that can help global warming