Consider the following statements: 1. Ocean currents are 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 Which of these statements are correct?
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Answer B (official UPSC key)Ocean currents help maintain the Earth's heat balance, are set in motion primarily by prevailing winds and are affected by the configuration of the ocean; they are not merely slow surface movements