Discussion Forum
Que.  The percentage of Nitrogen in the atmosphere is 
a.  76% 
b.  77% 
c.  78% 
d.  79% 
Correct Answer:78%

Que.  The percentage of Nitrogen in the atmosphere is 
a.  76% 
b.  77% 
c.  78% 
d.  79% 
Correct Answer:78%
