单项选择题

The purpose of mentioning the Weddell Sea is to ______.

A．give an example of cold water salinity
B．point out the location of deep waters
C．compare Antarctic waters with Arctic waters
D．indicate that this body of .water has salinity variations

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热门试题

单项选择题

Which of the following statements is NOT TRUE according to the passage

A．Various factors combine to cause variations in the salinity of water.
B．As a result of the formation of ocean ice water salinity decreases.
C．The salinity of the water near the bottom of the oceans is relatively high.
D．in coastal areas the ocean is diluted by rivers.

单项选择题

______is not the cause of the decrease in the oceanic salinity.

A．Precipitation
B．Rain and snow
C．Formation of ice
D．Addition of water by rivers