Q. Which among the following is/are primary forces which influence the ocean currents?
  1. Salinity difference
  2. Heating by solar energy
  3. Wind
  4. Gravity
  5. Coriolis Force
Select the correct code from the options given below:

Answer: 2, 3, 4 & 5
Notes: Ocean currents are influenced by two types of forces namely:
primary forces that initiate the movement of water - heating by solar energy, wind, gravity and Coriolis force.
secondary forces that influence the currents to flow - Temperature difference, Salinity difference.

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Question Number: 22 in Oceanography - Ocean Currents, Coastal Climate in above course in App.