Which statement about deep currents is true

They move cold water along the bottom of the ocean from the Pacific Ocean to the Atlantic ocean
Remove cold water along the bottom of the ocean from the Atlantic Ocean to the Pacific Ocean
They move warm water along the bottom of the ocean from the Atlantic Ocean, to the Pacific Ocean
They move warm water along the bottom of the ocean from the Pacific Ocean to the Atlantic ocean

The statement "They move cold water along the bottom of the ocean from the Pacific Ocean to the Atlantic Ocean" is true.