(need fast) the amount of energy required to break a nucleus into individual protons and neutrons is called
a)mass-energy equivalence
b)mass defect
c)binding energy
d)mass-energy conservation

The answer is C

Explanation:

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.