PPSC Past Paper Junior Clerk (Labour and Human Resource Department)2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsWhich instrument is used to measure humidity in air?A. Hydrometer B. Hygrometer C. Odometer D. Humidometer Diphthena is a disease related to?Tawaf-e-Rukan is component of Hajj?
