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TOEFL
/
Listening practice
/ Section HBA4
Listen to an Academic Talk
Listen to a talk in an oceanography class.
Listen
45. Why does the water near Greenland sink?
A
It mixes with melting ice.
B
It is warmer than the water below it.
C
It is pushed down by strong winds.
D
It is cold and salty, so it is very dense.