Btne psiara boche bio chemistry!! Ya drst dvet chemist bit chnko chemist bo ka shaxs de het u chemistry bo pash nave qasme

Rast beji def fkra ta bas chemists dami to taxarc bi shni b drste laqab chemists u chemistry zanm Dep u ya diyara Bo Dep 7awja na kt diayr km dep rez bo ta