A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. All of the above
Submitted by: Shafiq Rehman
A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. All of the above
Submitted by: Shafiq Rehman
IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG.
PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION.