1. Prepare qualitative diagrams showing your estimates as a function of elevation of the following soil characteristics that you would expect to encounter between the bottom and the top of Mount Kilimanjaro in Tanzania. Give a brief explanation for each.

a. Soil plasticity

b. Soil gradation and mean particle size

c. Angularity–roundness of sand and gravel particles

d. Iron content

e. Cementation between particles

f. Organic matter content

g. Water content