Which statement is a false statement about a hydrothermal vent?

A.
Cold water flows from hydrothermal vents and is warmed by the surrounding water.

B.
Eight-foot long worms and blind fish may live near a hydrothermal vent.

C.
Hydrothermal vents can eventually close up.

D.
Minerals and gases may cause black smoke to flow from a hydrothermal vent