passpadi

2008

Biology

JAMB

In an experiment to determine the percentage of air in a soil sample, the Following readings were recorded: Volume of water inn a measuring cylinder = 500cm3 Volume of soil added to water= 350cm2 Volume of water andn soil after stirring= 800cm2 The percentage of air in the soil sample is

A.

6.25%

B.

10. 36%

C.

14.28%

D.

43.28%

Correct Answer: 14.28%

Explanation

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