Across
- 1. all oceans and icebergs on a plant
- 6. earth and mars are different
- 7. all plants, animals, people
- 9. the earth was proved to be round
Down
- 2. argument the earth is round not flat
- 3. can support life
- 4. planet earth & mars
- 5. mountains are solid
- 8. process process where volcano erupts
- 10. the earth is flat