The amount the nation's government owes is called the
a. national loan.
c. national plan.
b. national debt.
d. national credit.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

the answer is d. selective incorporation. (apex)