Antarctic polar ice is a freshwater reservoir. The antarctic polar ice
undergoes physical changes such as freezing.
The antarctic polar ice contains fresh water and a smaller volume which
makes it easier for it to undergo freezing as it has a lower freezing point as
to when compared with salt water bodies.
Gulf of Mexico, Pacific ocean and Atlantic tidal basin all contain salt water
which makes freezing more difficult as it contains a larger volume and high
freezing point.
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