Across
- 2. The deposit of small ice crystals formed on surface when temprature falls below freezing
- 4. Thermal energy in earth crust.
- 7. To treate something that has already been used
- 9. Over flowing of water due to rain
- 10. Natural home
Down
- 1. To keep safe from destruction
- 3. Make or cause to decay naturally
- 5. An area of land where large amount of wate material are buried under earth
- 6. The part of Earth's surface is not covered with water
- 8. Blue planet