PPSC Past Paper Elementary School Educator General in Labour & Human Resource Department. 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQs“Tooth Decay” due to the deficiency of?A. Iodine B. Fluorine C. Calcium D. None of these In Which Window Version the option “My computer” introduced?Idi Amin belongs to which country?
