Across
- 2. 70% of Earths surface is _______ water
- 5. Blanket of gases around Earth
- 7. We live in this layer of the atmosphere
- 9. This causes surface currents
- 10. The _____ effect causes currents to curve
- 11. 78% of the atmosphere is this gas
- 12. Water stored in cracks underground
- 13. Waste product of photosynthesis
- 18. Organelle where photosynthesis occurs
- 19. Rock that allows water to flow through
- 20. Gas in the stratosphere that blocks UVrays
Down
- 1. Warm current in the Atlantic ocean
- 3. Trees losing water as vapor
- 4. Weight of the air
- 6. Any form of water falling to Earth
- 8. Main source of energy for life on Earth
- 14. C.R. releases energy stored in _________
- 15. Sugar created during photosynthesis
- 16. Plants create their own food through...
- 17. Average temp and rainfall of an area