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Consider the two nuclear reaction formulas as follows: \[\begin{align} [1]&: \quad _{1}^{2}\textrm{H}+_{1}^{3}\textrm{H} \to _{2}^{4}\textrm{He}+[A]+17.6 \text{MeV} \\ [2]&: \quad _{92}^{235}\textrm{U}+[B] \to _{56}^{141}\textrm{Ba}+_{36}^{92}\textrm{Kr}+3 _{0}^{1}\textrm{n}+200 \text{MeV} \end{align} \]

Which of the following statements is correct about these nuclear reactions?

a) [1] is a nuclear fusion reaction.

b) [A] is an electron.

c) [B] has minus(-) electron charge.

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