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Some pupils from Mchanga primary school set up apparatus as shown in the diagram below.
![figsoil27620201116.JPG](/courses/uploads/figsoil27620201116.JPG)
They then measured the rise of water in each type of soil after every 10 minutes and
plotted their results as shown in the graphs below.
![figsoil27620201117.JPG](/courses/uploads/figsoil27620201117.JPG)
The soil types represented by the graphs X, Y and Z are most likely to be
![figsoil27620201118.JPG](/courses/uploads/figsoil27620201118.JPG)