(i) Nature or supply of material: heavy materials or boulders have a higher erosive power than fine materials.
(ii) Nature or strength of the destructive waves: strong waves will cause greater erosion by hydraulic action and erosion process.
(iii) Duration of exposure of the coast to wave erosion: the longer the exposure to the coastal waves, the higher the rate of erosion.
(iv) Degree of exposure of the coast to wave erosion: the exposed coasts are eroded more than the sheltered coasts that are sheltered hence reducing the rate of erosion.
(v) Nature or structure of the coastal rock: A coast made up of soft rocks wears away easily when subjected to sea waves or when rocks are well jointed or have fractures or are easily eroded.
maurice.mutuku answered the question on June 8, 2017 at 07:30
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