Waec Model Questions Vol1 2023 Geography Question 24

Practice objective / multiple choice question 24 from the 2023 Waec Model Questions Vol1 Geography examination.

Waec Model Questions Vol1 2023 Geography Objective / Multiple Choice Medium Difficulty
Question 24 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • GEOGRAPHY • objective

A river descends from an elevation of 800 m at its source to 200 m at its mouth over a horizontal distance of 40 km. The profile includes a plateau segment of 10 km where the elevation remains constant at 600 m. Determine the average gradient (as a percentage, to two decimal places) for the upper reach (source to the start of the plateau), the plateau segment, and the lower reach (end of the plateau to the mouth. Identify which segment(s) represent a gentle slope (gradient < 2 %) and which represent a steep slope (gradient > 5 %).

Answer Options

A. Upper: 0.80%, Plateau: 0.00%, Lower: 8.00%; Gentle: Plateau; Steep: Upper and Lower
B. Upper: 0.80%, Plateau: 0.00%, Lower: 5.00%; Gentle: Upper and Plateau; Steep: Lower
Correct Answer C. Upper: 0.80%, Plateau: 0.00%, Lower: 8.00%; Gentle: Upper and Plateau; Steep: Lower
D. Upper: 1.00%, Plateau: 0.00%, Lower: 7.00%; Gentle: Upper and Plateau; Steep: Lower
Correct Answer
C
Correct Option:
Upper: 0.80%, Plateau: 0.00%, Lower: 8.00%; Gentle: Upper and Plateau; Steep: Lower

About This Question

This is Waec Model Questions Vol1 2023 Geography Question 24. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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