पृथ्वी की पपड़ी में पाया स� – McqOptions

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1.	पृथ्वी की पपड़ी में पाया सिलिकॉन का प्रतिशत क्या है ?
A.	37.70 %
B.	47.70 %
C.	17.70 %
D.	27.70 %
Answer» E.

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