What did Marie Curie discover?

Practice MCQ for SSC, UPSC, RRB Exams

A. Penicillin A.
B. X-rays B.
C. Radioactivity C.
D. Electricity D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

She discovered polonium and radium, championed the use of radiation in medicine and fundamentally changed our understanding of radioactivity.
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