Geographically speaking, the most important currents ________.
A) involve subsidence
B) involve upwelling
C) are caused by tides
D) are caused by underwater earthquakes
E) are the flows making up the oceans' general circulations

Question

Quizplus · Accepted Answer

The most important currents are the flows making up the oceans' general circulations, which affect global climate and distribution of heat and nutrients. None of the other options involve such wide-ranging effects.

Geographically Speaking, the Most Important Currents ________