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Geography (Key words (coasts ((Cave, Arch (Wears away through the cave,…

- - - - The length of water that a given wind has blown.
    - - Cave
      - Arch
        
        Wears away through the cave, some rocks fall in and goes right through the headland
      - wave cut notch
        
        Hydraulic action, attrition and abrasion.
      - Crack
        
        Hydraulic action as it has found a weakness
      - Stump
        
        which can be covered by the sea
      - Stack
        
        solution more chemical wearing away
    - - Hard engineering
        
        Hard engineering is when someone builds a man made structure
      - Soft engineering
        
        Soft engineering is a more eco friendly way of keeping the sea from eroding too much
- - - - Destructive
        
        They drag sand away from the beach.
        
        They have a weak swash as little is left behind on the beach.
        
        This wave drags material away from the beach, eroding it (wearing away).
        
        They have a strong backwash as they destroy the beach.
      - Constructive
        
        They build the beach up.
        
        This wave uses all of it's energy in the swash and moving up the beach so it has a really weak backwash.
        
        They have a strong swash as they push material up the beach.