Energy(ies)/Processes that influence the ocean currents are

1. Solar energy
2. Wind energy
3. Gravitational energy
4. Earth rotation

Select the correct answer using the codes given below.
a) 1, 2 and 3 only
b) 1, 2 and 4 only
c) 1, 2, 3 and 4
d) 1 and 2 only

Ans – [C]

Explanation – Ocean currents can be generated by wind, density differences in water masses caused by temperature and salinity variations, coriolis force, gravity, and events such as earthquakes.