PPSC Assistant (BS-16) Labour And Human Resource – 2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsDead Plants on the surface of water and oxygen depletion of the water body is called ? Posted on March 31, 2021 by Rana TahirA. Deoxygenization B. De-Nitrogenization C. Eutrophication D. None of theseShare 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)