Across
- 4. The effect which keeps the earth warm
- 7. Type of Electromagnetic ray
- 8. Layer of the atmosphere; the ozone layer
- 9. Rocks and minerals
- 10. Gases
Down
- 1. Patterns of weather over a long time
- 2. All the water on earth
- 3. All life
- 5. Protects earth from radiation
- 6. The essential element for life