General Knowledge MCQs, HEALTH EDUCATOR (BS-17) IN THE PUNJAB DEPARTMENT-2014, PPSC Solved Past Papers MCQsBalloons are filled with Posted on September 6, 2021 by Aban CheemaA. hellium B. oxygen C. nitrogen D. argonShare 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)