Gen Science GS Prithvi Ki PaPadi Me Sabse Prachur Tatv __________ Hai .

पृथ्वी की पपड़ी में सबसे प्रचुर तत्व __________ है। - The most abundant element in the Earths crust is __________. - Prithvi Ki PaPadi Me Sabse Prachur Tatv __________ Hai .  Gen Science GS in hindi,    question answers in hindi pdf   questions in hindi, Know About Gen Science GS online test Gen Science GS notes in hindi quiz book