PPSC Past Paper Junior Clerk 2019 Revenue Department Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe density of water is______?A. 1 g/cm3 B. 1.5 g/cm3 C. 2 g/cm3 D. None of these The lifespan of Red Blood Cells is_____ days?In which of the following cities Indian National Congress was found?