Across
- 2. is any change in water quality that can harm living organisms
- 5. Causes cancer, disrupts immune and endocrine systems, due to heavy metals
- 6. is used before discharging treated water to remove water coloration and disinfection
- 7. is the process that can cause algae blooms and prolific aquatic weed growth
- 8. Difficult and expensive to identify and control pollution
Down
- 1. takes decades to thousands of years to cleanse itself of slowly degradable wastes
- 3. easy to identify pollution
- 4. May cause an outbreak of diseases sources can be soap and detergent from washing machines and showers.