PPSC Past Paper 2020 For the Post of Labour Officer, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe _____Navigation Satellite System is a Chinese satellite navigation system?A. GLONASS B. BeiDou C. Galileo D. QZSS The Praia do Cassino Beach, Brazil, was one of the longest beaches in the world, extending to ____miles in length?When a ray of light passes from a rarer to denser medium it bends towards the normal?
