<span>Vinegar: HC2H3O2 - </span>cookery and it is also used to clean the air in your kitchen
<span>Hydrochloric Acid: HCl - has been found to be </span>employed in<span> hydraulic fracturing fluids.</span>
<span>Hydrogen Peroxide: H2O2 - use in </span>cleanup<span> open wounds at a house, </span>typically<span> found </span>in an exceedingly<span> brown bottle.</span>
Bronchitis is inflammation in the bronchial tubes that causes excess mucus, which is why people with bronchitis often cough so much. So, the answer would be B.
