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:A waterlogged habitat with low light penetration and…A habitat with low rainfall, very low humidity,…Air pressure at sea levels is higher than at the top…A to eater to glass to air to water to glass to air.…The mass of water vapour in a given volume of air is…