A.Oxygen
B.Hydrogen
C.Helium
D.Carbon monoxide
Related Mcqs:
- The two major consitituents of the sun are
- The most abundant gas emitted from volcanoes is __________?
- Biogas is composed of __________?
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- Which are the four most abundant elements in living cells ??
- The earth’s first atmosphere was composed primarily of ______________.
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- Which would give the greater amount of heat per cubic foot?
- Most of gases exhibit drop in temperature upon expansion. However, this may not be true in case of
- Which of the following constituent has highest proportion in atmospheric air?
