Which Atmosphere term is correctly associated with weather or climate role: “help drive tropical ocean currents”, and also with “persistent tropical easterly winds”?

Correct Answer: Option D — Trade winds. Trade winds is correct because it is help drive tropical ocean currents. Trade winds is also associated with persistent tropical easterly winds. A further identifying fact is that Trade winds is deflected westward by the Coriolis effect. Another useful fact is that Trade winds is associated with help drive tropical ocean currents. Why the other options are incorrect: Option A — Westerlies: It is steer many temperate cyclones and is associated with prevailing mid-latitude winds; those are the identifying facts of Westerlies. Option B — Doldrums: It is rising moist air produces frequent convection and rainfall and is associated with an equatorial low-pressure belt; those are the identifying facts of Doldrums. Option C — Troposphere: It is most weather phenomena occur in it and is associated with the lowest major atmospheric layer; those are the identifying facts of Troposphere. Exam Takeaway: Link Trade winds with “help drive tropical ocean currents” and “persistent tropical easterly winds” for quick revision.