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A group of pupils set an experiment in which they added equal amounts of water to soil samples I, II and III. Their results are shown in the diagrams below.
![figsoil27620201218.JPG](/courses/uploads/figsoil27620201218.JPG)
From the results, soil samples I, II and III are most likely to be
![figsoil27620201219.JPG](/courses/uploads/figsoil27620201219.JPG)