A.58
B.68
C.78
D.88
Related Mcqs:
- Stratovolcano forms impressive, snow-capped peak which is often exceeding ______ in height, ______ in area and ______ in volume:
- Between the two identical bonds having different maturity periods, the price of the ______ bond will change less than that of ______ bonD.?
- Core has a pressure of ______ times greater than the atmospheric pressure ______ billion.
- Oxygen is ______ % in the air:
- The total height of homosphere is ______ km:
- Nitrogen gas is used
- The greatest concentration of ozone is found at ______ km:
- The average height of troposphere from surface is ______ km:
- Which of the following can fix atmospheric nitrogen?
- Which of the following is a nitrogen compound?
