The ocean current that carries cool water toward the Earth's equator is the Benguela Current.

Here's why:

* Location: The Benguela Current flows northward along the west coast of Africa, starting near the tip of South Africa.

* Origin: It's a cold current that originates from the Antarctic Circumpolar Current.

* Impact: It brings cool, nutrient-rich water to the surface, supporting a thriving ecosystem and contributing to the world's largest fisheries.

While other currents, like the California Current, also carry cool water towards the equator, the Benguela Current is notable for its significant impact on the African coast and its influence on the global climate system.