单项选择题
A.is flowing towards the land B.is moving towards the ocean C.level is not changing D.level is rising because of heavy rains
The steady current circling the globe at about 60°S is ...
单项选择题The steady current circling the globe at about 60°S is the（）.
A.Prevailing Westerly B.Sub-Polar Flow C.West Wind Drift D.Humboldt Current
The speed of an ocean current is dependent on（）.A.the d...
单项选择题The speed of an ocean current is dependent on（）.
A.the density of the water B.the air temperature C.the presence of a high pressure area near it D.underwater soil conditions
The set of the ocean current is caused by（）.A.density d...
单项选择题The set of the ocean current is caused by（）.
A.density differences of the water B.rotation of the earth C.direction of primary circulation of air D.all of the above
