i)A rock outcrops with alternating hard and soft rocks exist in the desert.
-Wind abrasion attacks the rock outcrop and the soft layers are eroded faster
-With time a rock with weird shape is formed.The feature is known as a rock pedestral
ii)Mechanical weathering attacks and breaks rock into small particles
-Wind deflation blows away the loose unconsolidated material
-This leads to the formation of an irregular hollow
-Chemical weathering deepens the hollow until it reaches the water table
-When water seeps into the hollow an Oasis is formed.
Githiari answered the question on October 30, 2017 at 08:20
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