Science · Science
पोलोनियम तत्व की खोज किसने की?
- 1इनमें से कोई नहीं
- 2नॉर्मन अर्नेस्ट बोरलॉग
- 3ई.एम. स्वामीनाथन
- 4पियरे क्यूरी और मैरी क्यूरी✓
सही उत्तर देखें
पियरे क्यूरी और मैरी क्यूरी
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