Geog 0.0 / 5 ? GeographyCoastal zonesGCSEAQA Created by: leahb_100Created on: 21-04-17 14:10 attrition materials carried by the waves bump into each other ad are smoothed and broken down into particles 1 of 5 solution this is the chemical action of sea water. The acids in the salt water slowly dissolve rocks on the coast. 2 of 5 Hydraulic action The force of water against the coast enters cracks (faults) in the coastline and compress the air within the crack. This forces the cracks to widen. 3 of 5 Abrasion The coast is worn down by the waves. Waves throw these against the rock, rubbing away parts of the cliff 4 of 5 xxxxxxxxxxxxx xxxxxxxxxxxxxxx 5 of 5
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