A.Oxygen
B.Nitrogen
C.Carbon
D.None of these
Related Mcqs:
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- Which are the four most abundant elements in living cells ??
- Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth’s atmosphere?
- Biogas is composed of __________?
- Arrange the following in ascending order of their occurrence in the atmosphere: (1) oxygen (2) Nitrogen (3) Carbon dioxide (4) Argon
- The most abundant gas in the stratosphere is __________?
- The atmospheric element which combines readily with many elements and compounds in rocks is:
- Under actual combustion conditions unless there is sufficient excess air the flue gas contains
- Which one is the basic element of organic compounds _________________??
- If all the plants of the World die, all the animals will also die due to shortage of: