Answer:
Can you post the pic to it so I can give you more info?
Explanation:
A and d is physical, b and c is chemical
Most drugs are salt of either weak acids or weak bases they are absorbed in undissociated lipid soluble form. The dissociation if weak acids is suppressed by low (acid) PH. Thus theoretically one would expect a weak acid to be absorbed primarily in the stomach which has a low ph
