Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
dwayned dwayned
wrote...
Posts: 321
Rep: 0 0
5 years ago
Hydrocarbons in the exhaust of a diesel engine should be no more than ________ parts per million (PPM).
A) 50
B) 10%
C) 250
D) 2.5
Read 64 times
2 Replies
Replies
Answer verified by a subject expert
i.o.u.1galaxxxyi.o.u.1galaxxxy
wrote...
Posts: 193
5 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

dwayned Author
wrote...
5 years ago
Such an awesome helper!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1349 People Browsing
 132 Signed Up Today
Related Images
  
 4633
  
 295
  
 272
Your Opinion
What's your favorite funny biology word?
Votes: 328

Previous poll results: Who's your favorite biologist?