PPSC Assistant (BS-16)-(PESS) Labour And Human Resource – 2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsMost abundant element in the atmosphere? Posted on April 1, 2021 by Rana TahirA. Nitrogen B. Oxygen C. Carbon Dioxide D. SiliconShare 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)
