The “Doldrums” refers to the narrowest, calmest part of the equatorial low-pressure belt, specifically between 5° North and 5° South. In this region, the Trade Winds from both hemispheres meet and cancel each other out, resulting in a belt of extremely calm winds, stagnant air and sudden, intense thunderstorms known as “squalls.” ANSWER: (B) 5°N – 5° South