Which of these is a fusion reaction1${ }_3^1 H+{ }_2^1 H={ }_4^2 H e+{ }_1^0 n$2${ }_{92}^{238} \mathrm{U} \rightarrow{ }_{82}^{206} \mathrm{Pb}+8\left({ }_2^4 \mathrm{He}\right)+6\left({ }_{-1}^0 \beta\right)$3${ }_7^{12} C \rightarrow{ }_6^{12} C+\beta^{+}+\gamma$4None of theseAnswer & explanation+Correct answer: option 1In fusion reaction, two lighter nuclei combines.
