Across
- 2. spin of a body on its axis
- 7. beneath the crust
- 8. atmosphere is made up of 78% what
- 9. path around another body in space
- 11. part of the earth
- 13. that the earth's continents were once one
Down
- 1. object resistance in speed
- 3. atmosphere is made up of 21% what
- 4. plane curve
- 5. traveled around another body in space
- 6. use this to make food
- 10. of the earth is made up of
- 12. outermost layer of earth