× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
r
5
m
5
h
5
r
5
t
5
B
5
P
5
s
5
m
5
c
5
c
4
4
New Topic  
Krystenmcinnis Krystenmcinnis
wrote...
6 years ago
Of all factors, what is the most important risk factor in pulmonary disease?
 
  A) Air pollution from vehicles
  B) Dangerous chemicals in the workplace
  C) Active and passive cigarette smoke
  D) Loss of the ozone layer of the atmosphere
Read 32 times
1 Reply
Replies
Answer verified by a subject expert
ginger8snapginger8snap
wrote...
Top Poster
Posts: 1022
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wrote...

6 years ago
Correct Slight Smile TY
wrote...

Yesterday
This helped my grade so much Perfect
wrote...

2 hours ago
Thank you, thank you, thank you!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  697 People Browsing
Related Images
  
 5886
  
 148
  
 257