Weight = mass * gravitional acceleration
645 = m * 9.8
m= 65.816 kg
it is the third answer 65.8 kg
Answer:
it affects the hardness of the shells because calcium has a high reactivity which causes the shell to be hard
Explanation:
<span>The electron transport chain is, in essence , aseries of redox reactions that conclude cellular respiration. during these redox reactions, NAD+ is reduced,which then oxidizes an electron acceptor in the electron transport chain.</span>