Waec Model Questions Vol1 2022 Geography Question 19
Practice objective / multiple choice question 19 from the 2022 Waec Model Questions Vol1 Geography examination.
A river descends from its source at an elevation of 800 m to its mouth at 200 m over a horizontal distance of 120 km. The river is divided into three equal‑length reaches (each 40 km). The middle reach has a gradient twice that of the upper reach, while the lower reach has a gradient 1.5 times that of the upper reach. What is the gradient (in metres per kilometre) of the lower reach?
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About This Question
This is Waec Model Questions Vol1 2022 Geography Question 19. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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