× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
L
3
d
3
y
3
a
3
n
3
d
3
e
3
d
3
c
3
p
3
M
3
a
3
New Topic  
ceybe ceybe
wrote...
Posts: 867
Rep: 0 0
6 years ago
Considering the global nitrogen cycle, how are humans altering this cycle?
A) industrial nitrogen fixation
B) nitrogen lost to the atmosphere
C) reduction of nitrogen available to terrestrial ecosystems
D) reduction of nitrogen fixation by bacteria
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
Read 141 times
2 Replies

Related Topics

Replies
wrote...
6 years ago
A
ceybe Author
wrote...
6 years ago
Thanks for answering
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1067 People Browsing
Related Images
  
 301
  
 250
  
 12241
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436

Previous poll results: How often do you eat-out per week?