ABSTRACT
It is important to refer back to Chapter 6 so that the students are made aware of the importance of water in moulding desert landscapes. This apparent paradox causes some students problems, perhaps not so much with infrequent surface flow but with the need for water in salt and insolation weathering processes.
Students quite often have a one-dimensional view of desertification as producing a sand dune desert landscape. The instructor should point out that designated deserts are not composed entirely of sand (far from it). A careful appraisal of the range of
