QuestionJune 6, 2025

9. In a sewage treatment plant,bacteria are 1 added to the water before it is released into a river 2 killed by chlorine at the beginning of the process 3 used to chemically digest wastes in the water first 4 left in the purified water because they are harmless

9. In a sewage treatment plant,bacteria are 1 added to the water before it is released into a river 2 killed by chlorine at the beginning of the process 3 used to chemically digest wastes in the water first 4 left in the purified water because they are harmless
9. In a sewage treatment plant,bacteria are
1 added to the water before it is released into a
river
2 killed by chlorine at the beginning of the
process
3 used to chemically digest wastes in the water
first
4 left in the purified water because they are
harmless

Solution
4.7(293 votes)

Answer

3 used to chemically digest wastes in the water first Explanation 1. Identify the role of bacteria in sewage treatment Bacteria are used to chemically digest wastes in the water.

Explanation

1. Identify the role of bacteria in sewage treatment<br /> Bacteria are used to chemically digest wastes in the water.
Click to rate:

Similar Questions