    Sertiehice [Do ‘protons and neutréss: in  nucleus have the-same.mass-as wher  they“are. free: oF “is-their mass larger!  smaller, due.to, mdse defect?    Sentence’ 2: How rauch’ rasé dé: the  sun lost due-to the conversion-of mass:  to!.energy since’ its bith? \Wds, the.sun  much larger and hotter in:the past?    