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4.8 - Caribbean Rivers

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✅EvaluateQuestion 1 of 21

Which combination BEST lists the three physical factors that influence Caribbean river landforms?

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✅EvaluateQuestion 2 of 21

Sea level is important to rivers mainly because it sets the river’s:

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✅EvaluateQuestion 3 of 21

Mangroves near river mouths are useful because they:

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✅EvaluateQuestion 4 of 21

Deforestation on steep Caribbean slopes is MOST likely to:

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✅EvaluateQuestion 5 of 21

A ria is a landform created when:

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✅EvaluateQuestion 6 of 21

Which human activity directly reduces downstream river discharge in some Caribbean rivers?

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✅EvaluateQuestion 7 of 21

Kaieteur Falls in Guyana is BEST associated with:

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✅EvaluateQuestion 8 of 21

A river in Jamaica flows over fractured rock along a fault zone and shows sudden changes in direction. Which factor is controlling this pattern?

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✅EvaluateQuestion 9 of 21

Two drainage basins receive similar rainfall. Basin A is forested; Basin B is cleared for hillside farming. During a storm, Basin B will MOST likely have:

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✅EvaluateQuestion 10 of 21

A student observes that a lower valley in St Lucia is unusually wide and flat compared with the steep sides upstream. This is BEST explained by:

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✅EvaluateQuestion 11 of 21

Why can intense hurricane rainfall reshape Caribbean river channels quickly?

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✅EvaluateQuestion 12 of 21

A section of the Yallahs River becomes dry at times in the lower course. Which reason BEST fits the case study in the notes?

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✅EvaluateQuestion 13 of 21

How does vegetation most directly reduce river bank erosion?

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✅EvaluateQuestion 14 of 21

Which change is MOST likely to reduce delta growth at a Caribbean river mouth?

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✅EvaluateQuestion 15 of 21

Sea level rises and the base level of a river increases. Which river response is MOST likely in the lower course over time?

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✅EvaluateQuestion 16 of 21

A river terrace is found 12 m above the present floodplain on a Caribbean island. Which explanation BEST supports this evidence?

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✅EvaluateQuestion 17 of 21

A storm delivers 180 mm of rain in 6 hours to a small steep basin. If 60% becomes surface run-off, what depth of run-off is produced?

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✅EvaluateQuestion 18 of 21

Which set of statements is correct? 1. Geology affects permeability and rock resistance. 2. Hurricanes can increase sediment transport. 3. Deforestation usually increases lag time. 4. Sea-level rise can drown river valleys.

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✅EvaluateQuestion 19 of 21

A coastal settlement channels (straightens) a river to ‘move floodwater away faster’. Which two outcomes are MOST likely downstream?

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✅EvaluateQuestion 20 of 21

A river mouth on an exposed Atlantic coast receives much sediment, but strong waves and longshore currents are present. What is the MOST likely coastal landform outcome?

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✅EvaluateQuestion 21 of 21

Which interpretation BEST links the three case studies in the notes (Yallahs, Roseau, Guyana)?

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✅EvaluateQuestion 1 of 21

Which combination BEST lists the three physical factors that influence Caribbean river landforms?

0 / 1 marks

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