TOEFL Listening: ETS-TOEFL听力机经 - L794FQ10F9UOW82RP$

The professor notes that trade winds from Africa carry water vapor from the Atlantic to the Pacific Ocean. What does this point explain? A. Why there is little rainfall in certain regions of North Africa B. Why the Pacific Ocean is less salty than the Atlantic Ocean C. Why the Pacific Ocean is colder than the Atlantic Ocean D. Why the density of water in the Atlantic Ocean increased