Question

20) Who among the following discovered natural radioactivity?
a) Henry Baquerel.
b) Ernest Rutherfor.
c) Marie Curie.
d) Enrico Fermi.

Answer 1

Henri Becquerel is your answer your spelling is wrong this the correct answer

Answer 2

Hello mate

here's your answer

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Option A ✔✔

Henry Baquerel discovered natural radioactivity.

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Hope it helps you