Which of the following factors affect the movement of ocean currents ?
(1) Atmospheric pressure
(2) Winds
(3) Salinity
(4) Seasonal variations in temperature
1
(1), (2) and (3)
2
(1), (2) and (4)
3
(2), (3) and (4)
4
(1), (2), (3) and (4)
5
Question Not Attempted