Which of the following statement(s) is (are) correct? (A) The rest mass of a stable nucleus is l...

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Which of the following statement(s) is (are) correct?
(A) The rest mass of a stable nucleus is less than the sum of the rest masses of its separated nucleons.
\( P \)
(B) The rest mass of a stable nucleus is greater than the sum of the rest masses of its separated nucleons.
(C) In nuclear fusion, energy is released by fusion two nuclei of medium mass (approximately \( 100 \mathrm{amu} \) ).
W.
(D) In nuclear fission, energy is released by fragmentation of a very heavy nucleus.
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