Which of the following effects would desertification have on the ecological balance represented in the...

WAEC 1989

Which of the following effects would desertification have on the
ecological balance represented in the diagram above? The calorific
value' of the energy

A. . 10 x 10⁴k cal obtained from the sun would decrease
B. 10 x 10⁴k cal obtained from the sun would increase
C. 6 x 10⁴k cal obtained at level I would increase
D. 1 x 10⁴k cal obtained at level V would increase
E. 3.5x 10⁴k cal obtained at level II would increase

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Correct Answer: Option C

Explanation

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