Coastal Erosion Quiz

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What is the wearing away of land by the the sea or ocean known as?

Correct! Wrong!

The wearing away of land by the sea is known as coastal erosion.

Which of the following are examples of coastal erosion?

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Identify the type of coastal erosion that involves destructive waves picking up beach material (e.g. pebbles) and hurling them at the base of a cliff.

Correct! Wrong!

Identify the type of coastal erosion that involves sand and larger fragments transported by a wave that wear away the base of a cliff or headland.

Correct! Wrong!

Identify the type of coastal erosion that involves waves hitting the base of a cliff causing air to be compressed in cracks, joints and folds in bedding planes causing repeated changes in air pressure. As air rushes out of the cliff when the wave retreats it leads to an explosive effect as pressure is released, leading to erosion.

Correct! Wrong!

Identify the type of coastal erosion that involves waves causing rocks and pebbles to bump into each other and break up.

Correct! Wrong!

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