A) Density of water increases and temperature of water decreases with increasing depth.
B) About 90 per cent of the ocean water is found below the thermocline.
C) West coast of the temperate North Atlantic Ocean has much lower temperature than is east coast
D) Temperature variations in the northern and southern hemisphere are the same.
Correct Answer: D
Solution :Temperature variations are larger in the northern hemisphere than in the southern hemisphere. This is because of the fact that northern hemisphere has larger land mass than southern hemisphere. Since land areas are heated and cooled more quickly than water masses, they cause greater variations in temperature with respect to space and time.
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