How are rivers useful to humanity?
A.They provide fish
B.They provide drinking water to people
C.They are useful as means of transport
D.All the above
A.They provide fish
B.They provide drinking water to people
C.They are useful as means of transport
D.All the above
A.Ultra-violet rays
B.Cosmic rays
C.Infrared rays
D.X-rays
A.Amundsen
B.Magellan
C.Robert Peary
D.None of these
A.The moon is at perigee
B.Only one side reflects light
C.The moon does not rotate
D.The periods of rotation and revolution are equal.
A.Flat
B.Oblate spheriod
C.Circle
D.Sphere
A.Channel Tunnel
B.Simplon Tunnel
C.Mont Blanc
D.None of these
A.Trade winds
B.Monsoon
C.Water lies
D.Polar winds
A.Light
B.Shadow
C.White edge
D.None of the above
A.Heavy rains in summer
B.Uniformly heavy rains around the year
C.Moderate rains in autumn
D.Heavy rains in winter
A.Plutonic
B.Sedimentary
C.Igneous
D.Metamorphic