2hich statement about deep currents is true?

A. They move cold water along the bottom of the ocean from the Atlantic Ocean to the pacific ocean
B. They move warm water along the bottom of the ocean from the pacific ocean to the Atlantic Ocean
C. They move warm water along the bottom of the ocean from the Atlantic Ocean to the pacific ocean
D. They move cold water along the bottom of the ocean from the pacific ocean to the Atlantic ocean.

D. They move cold water along the bottom of the ocean from the pacific ocean to the Atlantic ocean.