Percentage of nitorgen in the air is:
A.21%
B.68%
C.78%
D.70%
A.21%
B.68%
C.78%
D.70%
A.Twice a day
B.Twice a month
C.Twice a year
A.Shape
B.Area
C.Distance
A.Meandering
B.U-Shaped valleys
C.Sand dunes
A.Gravity
B.Running water and wind
C.Glacier
A.Fault
B.Glacier
C.River
A.More than its equatorial circumference
B.Equal to its equatorial circumference
C.Less than its equatorial circumference
D.None of these
A.Equatorial regions
B.High latitude regions
C.Tropical regions
A.Heavy summer rain
B.Distinct dry and wet seasons
C.Large annual range of temperature
D.Double maxima of rainfall coinciding with the equinoxes
A.Cold current
B.Warm current
C.None of above