Question

What is the role of proper sewage disposal?​

Answer 1

Answer:

All the liquid waste from the toilet, bathroom, laundry and sink goes into pipes which carry it to a septic tank. The effluent from the tank is then disposed of through effluent disposal drains often referred to as leach or French drains. Both of these methods of disposing of liquid waste are on-site disposal systems.

Explanation:

Answer 2

$\LARGE{\underline{\underline{\sf{Answer:}}}}$

Community wastewater management and adequate sewer systems play important roles in sanitation and disease prevention. Wastewater can contaminate the local environment and drinking water supply, thereby increasing the risk of disease transmission.

the process of removing and destroying or converting the noxious substances of sewage especially by ammonification and nitrification through bacterial action.