PPSC Past Paper Junior Clerk 2019 Revenue Department Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsWho define laws of gravitation? Posted on April 29, 2021 by Rana TahirA. Newton B. Galileo C. Farady D. ArchimedesShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)