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
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
Identify one process of river transportation.
suspension
abrasion
attrition
deposition
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State one process of river transportation.
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
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
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)
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
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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