The following features are the result of ice, river or sea action - Leaving Cert Geography - Question Question 1 - 2006
Question Question 1
The following features are the result of ice, river or sea action. In the case of each feature listed state which of the agents (ice, rivers, or sea) formed it.
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Worked Solution & Example Answer:The following features are the result of ice, river or sea action - Leaving Cert Geography - Question Question 1 - 2006
Step 1
Waterfall
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Answer
A waterfall is formed by the action of a river. As the river flows over a steep drop or cliff, it creates a dramatic waterfall due to the erosion of the rocks beneath.
Step 2
Interlocking spur
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An interlocking spur is also formed by river action. This feature is created as rivers meander through valleys, cutting into the landscape and forming protrusions that interlock with other river valleys.
Step 3
Esker
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An esker is formed by the action of ice. Specifically, it is a long, winding ridge of sand and gravel deposited by a meltwater stream that flows beneath a glacier.
Step 4
Blowhole
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A blowhole is a geological feature formed by sea action. It occurs when waves crash against cliffs, causing air and water to be forced upwards through a hole in the rock.
Step 5
Cirque/Corrie
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A cirque, also known as a corrie, is formed by glacial action. It is a bowl-shaped depression on a mountain side created by the erosional forces of a glacier.
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