Home
>
Biology
>
Environmental Issues
Environmental Issues
Hard
Question
Sewage water is purified for recycling by the action of
Options
A.
protozoans
B.
micro-organisms
C.
plants and light
D.
fish
Solution
-
Create a free account to view solution
View Solution Free
Topic:
Environmental Issues
·
Practice all Environmental Issues questions
More Environmental Issues Questions
Which is normally not an air pollutant...
Most hazardous metal pollutant of automobile exhaust is :...
Global warming can be controlled by :...
DDT has been a major pollutant because it :...
Which of the following air pollutant is carcinogenic...