862594
Descripción
Test por MARINA POLITIS, actualizado hace más de 1 año
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Creado por MARINA POLITIS
hace más de 10 años
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Pregunta 1
Pregunta
What conditions must be present for a delta to form at the mouth of a river?
Respuesta
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slow current, strong tides, river carrying a lot of sediment
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slow current, weak tides, river carrying a lot of sediment
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strong current, weak currents , river carrying a lot of sediment
Pregunta 2
Pregunta
In what course of the river are V-shaped valleys present?
Respuesta
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Upper course
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Middle course
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Lower course
Pregunta 3
Pregunta
Where is the flow of water fastest in a meander?
Respuesta
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The inside
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The outside
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The centre
Pregunta 4
Pregunta
What are the river landforms present in the middle course of a river?
Respuesta
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Lateral erosion and deposition helps create meanders, oxbow lakes, floodplains and levees
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Vertical erosion causes V-shaped valleys, interlocking spurs, gorges and waterfalls.
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Floodplains, levees and meanders.
Pregunta 5
Pregunta
What is a plunge pool?
Respuesta
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A pool of water formed by excessive rainfall.
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A pool formed when water erodes backwards into an area of soft rock as water and rock swirl around.
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Holes in cliffs formed when rain erodes the landscape.
Pregunta 6
Pregunta
Define interlocking spurs:
Respuesta
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As the river erodes the landscape in the upper course, it winds and bends to avoid areas of hard rock. This creates interlocking spurs, which look a bit like the interlocking parts of a zip.
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Small cliffs which the river cannot erode blocking the view up and down the valley. The cliffs serve as flood-protection.
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Areas of impermeable soil which are distinctive within the landscape.
Pregunta 7
Pregunta
When a river runs over alternating layers of hard and soft rock what is created?
Respuesta
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Oxbow lake
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Waterfall
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V-shaped valley
Pregunta 8
Pregunta
What features are created when a river erodes laterally creating large sweeping bends in the river channel?
Respuesta
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Levees
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Meanders
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Oxbow lakes
Pregunta 9
Pregunta
When alluvium (silt) builds up on the banks of a river, what are formed?
Respuesta
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deltas
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Slipe-off slopes
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levees
Pregunta 10
Pregunta
How many courses are rivers divided into?
Respuesta
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5
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4
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3
Pregunta 11
Pregunta
How many courses are rivers divided into?
Respuesta
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5
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4
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3
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