(A) Kelvin (X)
(B) Thomson (X)
(C) Rutherford (X)
(D) Bacquerel ()
Answers: Radioactivity was discovered by Bacquerel.
(A) Kelvin (X)
(B) Thomson (X)
(C) Rutherford (X)
(D) Bacquerel ()
Answers: Radioactivity was discovered by Bacquerel.
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