The systems most commonly used in many developed nations to treat raw sewage on personal property is
A) living machines.
B) compost toilets.
C) primary sewage treatments.
D) secondary sewage treatments.
E) septic tanks.

Question

Quizplus · Accepted Answer

Septic tanks are commonly used in many developed nations to independently treat raw sewage on personal property. They are effective and low-cost, making them a popular choice for rural and suburban areas. Living machines, compost toilets, primary and secondary sewage treatments are typically used in larger communities and urban areas where centralized treatment systems are in place.

The Systems Most Commonly Used in Many Developed Nations to Treat