पृथ्वी की सतह पर सर्वाधिक � – McqOptions

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1.	पृथ्वी की सतह पर सर्वाधिक मात्रा मे कौन-सी धातु है?
A.	एल्युमीनियम
B.	तांबा
C.	जस्ता
D.	लोहा
Answer» B. तांबा

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