WAEC - Biology (1989 - No. 53)

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

. 10 x 10⁴k cal obtained from the sun would decrease

10 x 10⁴k cal obtained from the sun would increase

6 x 10⁴k cal obtained at level I would increase

1 x 10⁴k cal obtained at level V would increase

3.5x 10⁴k cal obtained at level II would increase

WAEC - Biology (1989 - No. 53)

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