4.1. What are the objectives of wastewater collection and treatment?
Let me know if you need any modification. protecting the environment
5.1. What are the methods of wastewater disposal? protecting the environment
Best regards
Solution: Water supply and pollution control are essential for maintaining public health, protecting the environment, and supporting economic development. protecting the environment
10.1. What are the sources and effects of air pollution?
1.2. Define the following terms: water supply, wastewater, and pollution.