The World's Oceans Play a Role in Reducing Global Warming

The world's oceans play a role in reducing global warming by:

A) absorbing surplus heat energy.
B) increasing oceanic primary productivity.
C) moving carbon dioxide and nutrients from the deep ocean to the surface ocean.
D) removing CO₂ and sequestering CO₂ above the thermocline.
E) trapping CO₂ in sea ice.