Question

The disadvantage of open drains in a sewage

Answer 1

some disadvantages of open drains in sewage -

1. it smells really bad.

2. spreads diseases .

3. looks really bad.

4. managment issues .

hope it helps buddy

Answer 2

Answer:

The bacteria in human waste, such as E. coli, can infect the water and cause disease.

Other harmful solids and chemicals in sewage can damage bodies of water that support wildlife.

Sewage needs to be treated so that it doesn't impact the environment.