Final answer:
Thermohaline circulation, also known as the ocean conveyor belt, redistributes heat from the tropics towards the poles.
Step-by-step explanation:
The correct explanation for why thermohaline circulation is referred to as the ocean conveyor belt is D. This type of ocean circulation redistributes heat from the tropics towards the poles. It acts like a giant conveyor belt, transporting warm water from the equator to the poles and cold water from the poles back to the equator, which helps regulate global temperature and climate patterns.
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