Neco 2018 Geography Question 33
Practice objective / multiple choice question 33 from the 2018 Neco Geography examination.
A river drops from an elevation of 800 m at its source to 200 m at its mouth, a horizontal distance of 120 km. At a representative cross‑section the valley is 80 m wide and 12 m deep. (a) Calculate the average longitudinal gradient of the river in metres per kilometre. (b) Using the width‑to‑depth ratio, classify the valley as V‑shaped or U‑shaped. (A ratio greater than 5 indicates a U‑shaped valley).
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About This Question
This is Neco 2018 Geography Question 33. It is one of the objective questions from the 2018 Neco Geography examination.
Difficulty level: Medium .
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