Across
- 3. A person who catches fish for a living or for sport. (l. 26)
- 5. Famous river in China. (l. 8)
- 7. The improvement of sewage-... plants is important. (l. 48)
- 9. Umbrella term for rivers, lakes, and coastlines. (l. 6/7)
- 11. The group of people with the authority to lead a country. (l. 39)
Down
- 1. An illness. The Greek word means "flow through". (l. 36)
- 2. Another word for sewage. (l. 18)
- 4. The act of compelling observance of a law. (l. 56)
- 6. Reduction to zero of a species. (l. 8)
- 8. All the inhabitants of a particular place. (l. 1)
- 10. A period of low rainfall, leading to a shortage of water. (l. 10)