Test Index

WAEC Geography 2015 Papers

Question : 19

Total: 50

Solution:

Concept:

Temperature decreases with altitude at an average lapse rate of

6.5^\circ\mathrm{C}

per

1000

Explanation:

The mountain height is

6000

Total temperature drop from foot to top:

\frac{6.5^\circ\mathrm{C}}{1000\text{ m}} \times 6000\text{ m} = 39^\circ\mathrm{C}

The temperature at the foot is

20^\circ\mathrm{C}

Temperature at the top:

20^\circ\mathrm{C} - 39^\circ\mathrm{C} = -19^\circ\mathrm{C}

Answer:

-19.0^\circ\mathrm{C}

, which is Option A.

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