निम्नलिखित तत्व जो पृथ्वी – McqOptions

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1.	निम्नलिखित तत्व जो पृथ्वी की पपड़ी में बहुतायत से मौजूद नहीं है ?
A.	सिलिकन
B.	एल्यूमिनियम
C.	कार्बन
D.	रेडियम
Answer» C. कार्बन

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