In a nuclear reaction, mass must be lost to produce energy. select the best answer from the choices provided t f

Mass is never technically lost, but transformed into energy. But yes, some mass is lost in fusion and fission reactions. Even in a fusion there;ll be a mass loss, since the resulting mass from the merging of atom is smaller than the combined mass of the original atoms, although the energy gained is incredible. It's true :)

It dont even matter because at the end of thre day we gone life like it ius s

; lc