Waec Model Questions Vol1 2022 Agricultural Science Question 1
Practice objective / multiple choice question 1 from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
A soil core sampler of length 30 cm is driven vertically into the ground and the extracted core shows three distinct layers: Topsoil (10 cm thick, bulk density 1.2 g/cm³), Subsoil (12 cm thick, bulk density 1.4 g/cm³) and Parent material (8 cm thick, bulk density 1.6 g/cm³). Assuming the cross‑sectional area of the core is 1 cm², calculate the average bulk density of the whole core sample.
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About This Question
This is Waec Model Questions Vol1 2022 Agricultural Science Question 1. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Easy .
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