To move, nonmotile protists depend on air, water currents and other organisms. The correct option among all the options given in the question is the first option. Protists are actually grouping of diverse eukaryotic organisms that are neither animals nor plants or fungi. Other than their very simple type of organization, they do not have much in common.
Due to the Atlantic Jet Stream, cold water is carried from the Antarctic all the way down to the Caribbean and it turns into warmer water, then that said water is carried up back north towards the Antarctic, carrying that warm water with it, warming the surrounding air as it moves northward.
