Across
- 2. Uppermost part of lithosphere
- 5. Rocks rich in Silica and Magnesium
- 6. sudden change example
- 8. 71% of Earth's surface
- 9. Variety of life on Earth
- 10. Blue Planet
Down
- 1. All that surrounds us
- 3. Zone of contact between all three spheres
- 4. Envelope of gases
- 7. earth's solid layer