UPSC CSE Prelims 2002 Q82 — Geography PYQ with Answer

Consider the following statements:

1. Ocean currents are the slow surface movement of water in the ocean.

2. Ocean currents assist in maintaining the Earth’s heat balance.

3. Ocean currents are set in motion primarily by prevailing winds.

4. Ocean currents are affected by the configuration of the ocean floor.

Which of these statements are correct?