Neco 2025 Geography Question 17
Practice objective / multiple choice question 17 from the 2025 Neco Geography examination.
A river drops from an elevation of \(1200\) m at its source to \(150\) m at its mouth. The straight‑line distance between source and mouth is \(80\) km, but because of meanders the actual channel length is \(1.25\) times the straight distance. Calculate the average gradient in metres per kilometre and indicate whether the river is in the youthful (gradient > 10 m/km), mature (4-10 m/km) or old (gradient < 4 m/km) stage of development.
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About This Question
This is Neco 2025 Geography Question 17. It is one of the objective questions from the 2025 Neco Geography examination.
Difficulty level: Medium .
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