Across
- 4. special gases that provoke global warming
- 6. it comes from the sun
- 8. the atmosphere is hot, the ices ...
- 10. a modal to express an obligation
- 11. a modal to express a risk
- 12. a synonym for warmth
Down
- 1. we need it to breathe (=respirer)
- 2. a modal to give advice
- 3. a synonym for "In addition"
- 5. a synonym for hot
- 7. an opposition linking word
- 9. our planet