Across
- 4. A release of some oil into the environment, due to human activity, and is a form of pollution.
- 5. A fire burning uncontrolled in the forest.
- 6. A long high sea wave caused by an earthquake or other disturbance.
- 7. A violent shaking of the ground, sometimes causing great destruction.
Down
- 1. A prolonged period of abnormally low rainfall, leading to a shortage of water.
- 2. A storm with a violent wind.
- 3. An overflowing of a large amount of water beyond its normal limits.