When excess stomach acid is treated with milk of magnesia Mg(OH)2 a chemical reaction takes place in your stomach:
Mg(OH)2 + 2HCl →
In this neutralization reaction, the products are
A)
a metallic salt.
B) a salt and water.
© carbon dioxide and water.
D) water, which has a neutral pH.

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.

69 is the correct math for the amino acids