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1. Hydralic

Action- Waves force air in cracks in cliffs at high pressure causing crack to widen and cliff to fall 2. Abrasion- Rocks bash against cliffs wearing it away 3. Attrition- Rocks from beaches smash into each other 4. Solution- An acid in rainwater dissolves soft rocks


Hydraulic Action - Water forces itself into the cracks in a rock, helping it to break up.

Solution - The salty water dissolves the rock.

Attrition - A rock is worn into smaller and smaller pieces.

Abrasion - Sand and pebbles are thrown against a rock, it wears away at the rock like sandpaper would.


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11y ago
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Wiki User

15y ago

hydraulic action, corrosion, attrition and sorry i don't know the other one.

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Anonymous

Lvl 1
3y ago

1.Hydrolic action

2. Corrosion

3. Attrition

4. Abrasion

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Q: What are the three main coastal processes?
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