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Geography: coasts > Coastal erosion > Flashcards

Coastal erosion Flashcards

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1
Q

What is Abrasion/corrosion?

A

bits of rock and sediment smash and grind against rocks and cliffs, breaking bits off and smoothing surfaces

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2
Q

What is Hydraulic action?

A

air in cracks in cliffs is compressed when waves crash in. The pressure exerted by the compressed air breaks off rock pieces

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3
Q

What is Corrosion/solution?

A

soluble rocks get gradually dissolved by the seawater

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4
Q

What is Attrition?

A

bits of rock in the water smash against each other and break into smaller bits

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Geography: coasts (27 decks)

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