Carla sees an equation that models a nuclear change. 1 squared cap h plus 1 cubed cap h to 2 to the 4th power He plus 0 to the 1th power n Which nuclear process does the equation illustrate?

The equation shows two hydrogen nuclei—hydrogen-2 and hydrogen-3—combining to form a helium-4 nucleus and a neutron. When smaller nuclei combine into a larger nucleus, the process is nuclear fusion. Therefore, the correct choice is C: nuclear fusion, because two hydrogen nuclei combine to form a helium nucleus.

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