Across
- 3. Sudden and violent shaking of the ground.
- 4. It can be active or dormant. It can erupt.
- 5. Power needed to provide heat or light.
- 7. A powerful and destructive wave.
- 8. Layer which absorbs most of the ultraviolet radiation reaching the earth from the sun.
Down
- 1. Weather which is characteristic for a given area.
- 2. The process of cutting down trees.
- 6. A period of lack of rain which can lead to shortage of water.