The mass of air whose isobars form a circular shape; with low pressure in the centre and increasing towards the outside, is known as? by Sunday | Dec 30 | Geography JAMB | 0 comments A. hurricane B. typhoon C. harmattan D. cyclone Correct Answer: Option D – cyclone Users Also Read These:The mass of water vapour in a given volume of air is…A to eater to glass to air to water to glass to air.…Equatorial trough or low-pressure belt is commonly…Air pressure at sea levels is higher than at the top…A body moves along a circular path with uniform…