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1. Explain three ways thorough which wind transports its load
2. Give the name given to rocky desert in the Sahara
3. Explain three positive effects of desert features to both human and physical environment

Answer Text:
1. Suspension -fine particles are lifted, cleared off the ground
Saltation -larger fragments of sand particles are lifted from the ground by eddy action
-The sand particles are moved in a series of hops/jumps within the wind current
surface creep/traction
-The heavy materials /small stones/pebbles are tracked along the ground.
-These materials are rolled for short distance in a process called surface creep
2. Hamada
3. Loess region have very fertile alluvial soils which are used for agriculture
-Desert features such as rock pedestals yardages and sand dunes are tourist attraction
-Salty fats are economically used for salt production especially in North Africa
-Extensive and bare desert are used as testing grounds for car and jets engines
-Desert landscape provides good site for testing military weapons e.g. nuclear bombs