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← GeographyWhich mechanism maintains relatively stable ocean surface temperatures globally due to latitudinal variations?
A)Thermohaline circulation mixing polar water
B)Insolation refraction by the Van Allen Belts
C)Albedo variations affecting thermal inertia
D)Equatorial heat redistribution by ocean gyres✓
💡 Explanation
When solar radiation differential concentrates heat at the equator, Earth’s rotation drives the circulation of water in large circular ocean gyres, which transport heat toward the poles, thus moderating temperature variation. Therefore ocean gyres redistribute heat, rather than thermohaline circulation, insolation refraction of albedo, which do not directly respond to latitudinal heating differences.
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