The treatment is costly in which of the following systems?

The treatment is costly in which of the following systems? Correct Answer Combined

Combined systems consist of both storm water and sanitary sewage. Hence it becomes costly for as the treatment for both are done. In separate systems, the required amount of treatment is done for stormwater and sanitary sewage separately.

Related Questions

Decaffeinated coffee is highly costly than that of regular coffee even though the process by which coffee beans are decaffeinated is fairly simple and not very costly. Higher cost for providing decaffeinated coffee to the consumer cannot be accounted for by its producers. Select the assumption on which this argument relies.