False, scurvy is a result of vitamin c deficiency.
<em>Acid reflux into the esophagus </em>
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<h3><em>MARK AS BRAINLIEST PLEASE</em></h3>
I think it's B. Because if you're wearing something that filters oxygen (E.g. gas mask) and the substance becomes airborne, the filters in the protective gear might be overworked if the substance density is greater than the filtering capacity.
Here I have attached a photo to help you with this:
