पृथ्वी पर सबसे अधिक मात्रा – McqOptions

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1.	पृथ्वी पर सबसे अधिक मात्रा में पाया जाने वाला तत्व है -
A.	ऑक्सीजन
B.	सिलिकन
C.	ऐल्युमिनियम
D.	लोहा
Answer» B. सिलिकन

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