Across
- 3. highest concentration,
- 4. pressure, cloudy,
- 7. and record, an examination,
- 9. inside of the earth,
- 10. water carbon dioxide.
- 14. fresh water,
- 15. the process of liquid changing,
- 19. drift Slowly moved,
- 20. boundaries, move apart,
- 21. waves, the first to reach,
Down
- 1. freezes,
- 2. altitude temp, distinguish layers,
- 5. surface, nearest,
- 6. energy release,
- 8. from oceans and lakes, water,
- 10. law, A pattern in nature,
- 11. measure,
- 12. mid-ocean ridge, underwater chain,
- 13. cold and warm,
- 16. 7 steps of
- 17. humidity, the measure of the amount,
- 18. normal reverse, movement of two blocks,