A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen
Explanation by Farah:
By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.
A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen
Explanation by Farah:
By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.
EVERYDAY SCIENCE ONLINE QUIZ TEST |
---|
IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG.
PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION.
Very nice and informative keep it up:)))
Explanation:
By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.
Good