Top Posters
Since Sunday
j
4
m
4
4
n
3
m
3
R
3
V
3
e
3
w
3
j
3
a
3
a
3
New Topic  
mesothet mesothet
wrote...
Posts: 1000
Rep: 0 0
6 years ago
Which chemicals originally contribute to the depletion of the ozone layer?
a. carbon-oxides
b. chlorofluorocarbons
c. flourohydrochlorides
d. methyl chloroforms
Read 46 times
1 Reply
Replies
Answer verified by a subject expert
MrEddMrEdd
wrote...
Top Poster
Posts: 1250
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

mesothet Author
wrote...

6 years ago
Thanks
ky
wrote...

Yesterday
You make an excellent tutor!
wrote...

2 hours ago
Smart ... Thanks!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  905 People Browsing
Related Images
  
 160
  
 510
  
 879
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 405

Previous poll results: Do you believe in global warming?