What is the entire global ocean circulation?
A. general circulation
B. global tidal circulation
C. thermohaline circulation
D. global conveyer-belt circulation
E. oceanic circulation
Question 2
What causes thermohaline circulation?
A. sinking of more dense ocean waters
B. global surface ocean currents
C. sinking of warmer ocean waters
D. ocean composition changes
E. sinking of less dense ocean waters