During an exothermic reaction, the energy given off comes from
a. atoms being consumed
b. mass being turned into energy
c. the breaking and forming of bonds
d. mass being created

i think that the best answer would be c.

tell me if im wrong : )

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

sex cells are usually half's then they find another half and make a fertilize egg