Which mechanism causes deflection of ocean currents due to Earth's rotation, primarily affecting their direction?

💡 Explanation

When the Earth rotates, the Coriolis effect deflects moving objects, including ocean currents, influencing their trajectory because inertia causes them to deviate from a straight path as viewed from the rotating frame. Therefore, the Coriolis effect deflects currents, rather than expansion, gradients, or tension which require different properties.

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