PPSC Assistant Director (BS-17) 2020 Local Government, Everyday Science MCQs, PPSC Solved Past Papers MCQsEarth hour is observed on? Posted on March 29, 2021May 4, 2021 by Rana TahirA. 24 March B. 24 May C. 24 June D. 24 SeptemberShare 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)
