Question

b. Why Stomach contains strong acid Hcl.
C. Why Helium is used to fill air balloons.
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Answer 1

Answer:

so that balloons float

Explanation:

the helium helps the balloon float

Answer 2

Answer:

A PART=Stomach secretions are made up of hydrochloric acid, several enzymes, and a mucus coating that protects the lining of your stomach. Hydrochloric acid helps your body to break down, digest, and absorb nutrients such as protein. It also eliminates bacteria and viruses in the stomach, protecting your body from infection

If you buy a balloon from a vendor, it's probably filled with helium. ... This is because helium is less dense. Because helium is lighter than air, a helium balloon rises. Hydrogen is another gas lighter than air; it is even lighter than helium

B=