PPSC Assistant (2020) Agriculture Department, Everyday Science MCQs, PPSC Solved Past Papers MCQs“Ring of Fire” refers to the ring of volcanoes present in ?A. Ring of Earthquakes B. Five permanent members of UN C. Circum-Pacific Belt D. Five Continents Pakistan officially joined the United Nations (UN) on ?Which city of Pakistan once known as “City of Maple Trees”?
