Across
- 1. extra richness in the water
- 3. comes from multiple places
- 6. a substance that pollutes something
- 9. in aquatic environment as dissolved oxygen
- 10. made up of particles like plankton
Down
- 2. comes from a single place
- 4. to much nutrients in the water
- 5. regulating discharges of pollutants in the aqua
- 7. the measure of relative clarity of a liquid
- 8. contamination of a water source