Waec Model Questions Vol1 2018 Geography Question 9
Practice objective / multiple choice question 9 from the 2018 Waec Model Questions Vol1 Geography examination.
A soil sample contains 40% sand, 35% silt and 25% clay by weight. The field capacity (FC) is estimated by FC = 0.2S + 0.1Si + 0.05C (cm³/cm³) and the wilting point (WP) by WP = 0.05S + 0.07Si + 0.10C (cm³/cm³), where S, Si and C are the percentages of sand, silt and clay respectively. What is the available water capacity (AWC = FC - WP) of the soil, expressed to one decimal place?
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About This Question
This is Waec Model Questions Vol1 2018 Geography Question 9. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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