Important Inventions and Discoveries in World » Exercise – 1
5. Which scientist discovered the radioactive element radium?
(a) Isaac Newton
(b) Albert Einstein
(c) Benjamin Franklin
(d) Marie Curie
Explanation
Explanation : No answer description available for this question.
Subject Name : General Knowledge |
Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
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