The statement "Some of the mass is converted into energy during this process" describes the total mass of the nucleus formed in the
fusion reaction.
So B is correct option.
What is fusion reaction?
The nuclear reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particle by releasing or absorbing energy.
To learn more fusion reaction here.
https://brainly.com/question/4837991
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