Which one of the following is the most important process in the river’s upper course?
deposition
headward erosion
lateral erosion
vertical erosion
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Which one of the following is the most important process in the river’s upper course?
deposition
headward erosion
lateral erosion
vertical erosion
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Identify the statement below that best describes the channel in the lower course of a river.
small and fast river channel
wide and deep river channel
narrow and fast river channel
small and narrow river channel
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Identify one process of river erosion.
levees
abrasion
overland flow
discharge
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Identify the statement below that best describes the channel shape in the upper course of a river.
narrow river channel with shallow sides
narrow river channel with steep sides
wider river channel with shallow sides
widest river channel with very shallow sides
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Identify one process of river transportation.
suspension
abrasion
attrition
deposition
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State one process of river transportation.
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Study Figure 1b below.
Identify the river landform.
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Study Figure 1b below.
Identify the river landform at X.
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State one physical factor that influences the rate of erosion in a river
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Explain how the process of hydraulic action erodes the river channel
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Study Figure 1b shown below
Identify the landform labelled X
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Identify one landform usually found in the upper course of a river
Delta
Estuary
Oxbow lake
Interlocking spurs
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Identify the characteristic usually found in the upper course of a river
Frequent meanders
Ox bow lakes
Steep valley sides
Flat wide floodplains
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Explain how a river channel is eroded by solution (corrosion)
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Explain one weathering process in a river valley
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Study Figure 1b below
Identify the type of mass movement
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River environments
Study Figure 1 which shows the upper course of a river
Figure 1
Identify three features of the upper course of this river.
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(i) What is meant by the term mass movement?
(2)
(ii) Outline two factors which affect mass movement.
(4)
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Explain the formation of a river meander.
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Explain the formation of an oxbow lake.
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Study Figure 1, which shows a waterfall
Figure 1 - Waterfall
Identify three features of the waterfall
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Explain the formation of a waterfall
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Explain the formation of a levee
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Explain how erosion can form waterfalls
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Explain the formation of interlocking spurs
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