Two adjacent cracks exist on a mountain side. The two cracks or hollows are filled with ice. The ice erodes the sides through plucking and deepens the hollow through abrasion. Through erosion, the back walls of the hollows slowly recede and eventually the hollows or cirques are separated by a knife-edged ridge.The ridge is called an arete.
maurice.mutuku answered the question on June 8, 2017 at 11:29
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What are the factors influencing the movement of ice from the place where it has accumulated?
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Discuss factors that influence the movement of ice from the place where it has accumulated.
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June 8, 2017
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Why aren't ice sheets available in Kenya?
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Give reasons why there are no ice sheets in Kenya.
Date posted:
June 8, 2017
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What is an ice sheet?
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Describe an ice sheet.
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June 8, 2017
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How is a tarn formed?
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Describe how a tarn is formed.
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June 8, 2017
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Where are tarns found in Kenya?
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Mention a region in Kenya where tarns are found.
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June 8, 2017
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Why is it difficult to undertake a field study on the glaciated features on the top of a mountain?
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Explain why it is difficult to undertake a field study on the glaciated features on the top of a mountain.
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June 8, 2017
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How is a pyramidal peak formed?
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Describe how a pyramidal peak is formed.
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June 8, 2017
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What is the difference between valley glaciers and ice sheets?
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Differentiate between valley glaciers and ice sheets.
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June 8, 2017
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What is a glacier?
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Describe a glacier.
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June 8, 2017
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How is a U-shaped valley formed?
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Describe how a U-shaped valley is formed.
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June 8, 2017
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What is the significance of oceans to human activities?
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Discuss the significance of oceans to human activities.
Date posted:
June 8, 2017
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What are the factors influencing deposition by ocean waves?
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List factors that influence deposition by ocean waves.
Date posted:
June 8, 2017
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What are the resultant features of the emerged highland coasts?
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Give the resultant features of the emerged highlands coasts.
Date posted:
June 8, 2017
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What are the types of submerged highland coasts?
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Give the types of submerged highland coasts.
Date posted:
June 8, 2017
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What are the factors determining the rate of coastal erosion?
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Give the factors that determine the rate of coastal erosion.
Date posted:
June 8, 2017
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What are the characteristics of submerged lowland coasts?
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List the characteristics of submerged lowland coasts.
Date posted:
June 8, 2017
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What are the ocean currents along the western coast of Africa?
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Name the ocean currents along the western coast of Africa.
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June 8, 2017
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What are the causes of ocean currents?
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Give the causes of ocean currents.
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June 8, 2017
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What are tides?
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Describe tides.
Date posted:
June 8, 2017
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What are the factors influencing the development of coasts?
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Discuss factors that influence the development of coasts.
Date posted:
June 8, 2017
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