Across
- 2. one of the biggest animal that lives on the sea
- 5. a house where you grow plants in winter
- 7. huge salt water
- 8. things that happened in the past
- 10. frozen water
Down
- 1. a biggest thing on earth other then ocean
- 3. people who explor the world
- 4. a icy desert
- 6. the planet we live in
- 9. chemical in the air