Geography 0.0 / 5 ? GeographyCoastal zonesGCSEAQA Created by: Atiya_aliCreated on: 16-12-15 19:39 what is Abrasion? Bits of rock and sand that grind down the cliff's surface 1 of 7 what is Corrasion? chemicals and salts in the water that can dissolve some types of rock such as; chalk 2 of 7 what is hydraulic action? when a wave breaks, the trapped air is compressed which weakens the cliff and causes erosion 3 of 7 What is attrition? waves that smash rocks and pebbles on the shore into each other, and the break and become smoother 4 of 7 what is chemical weathering? The breakdown of rocks when they react with water and any chemical water 5 of 7 what is a constructive wave? when there is strong swash and a weak backwash 6 of 7 what is a destructive wave? when there is a weak swash and a strong backwash 7 of 7
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