Across
- 3. reduction in the concentration of dissolved oxygen in the water.
- 6. richness of nutrients in any other body of water causes a dense growth of plant life and death of animal life from lack of oxygen.
- 7. source of air, water, thermal, noise or light pollution.
- 9. made up of fine particles.
- 10. excessive growth of algae.
Down
- 1. diffuse contamination of water or air that does not originate from a single discrete source.
- 2. contamination water sources with substances that make them unusable for drinking, cooking, cleaning, and swimming.
- 4. principle law governing pollution control and water quality.
- 5. a substance that pollutes especially water or the atmosphere.
- 8. the measure of relative clarity of a liquid.