PPSC ZILADAR (14-19G- 2020) Irrigation department, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe second most abundant metal found in the Earth’s crust is?A. Iron B. Aluminum C. Calcium D. Sodium Dynamite was invented by?In a 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this A beats B by?
