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…Equatorial trough or low-pressure belt is commonly…A waterlogged habitat with low light penetration and…A source of sound produces waves in air of…CuO(s) + H2(g) ↔ Cu(s) + H2O(l). What is the effect…