× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
j
4
m
4
4
4
n
3
m
3
R
3
V
3
e
3
w
3
j
3
a
3
New Topic  
lulu123 lulu123
wrote...
Posts: 361
6 years ago
To further reduce the possibility of biological contamination, most treatment plants treat the effluent with
A) fluorine.
B) chlorine.
C) ozone.
D) extreme heat.
Read 36 times
3 Replies

Related Topics

Replies
wrote...
6 years ago
 B
lulu123 Author
wrote...
6 years ago
Commenting just to show my support for informative posts like this, keep it up 10/10
wrote...
6 years ago
That helps more than you thinks, thanks for being so thoughtful
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1066 People Browsing
Related Images
  
 70
  
 499
  
 1990
Your Opinion
Who's your favorite biologist?
Votes: 587