What is the percentage porosity of a soil sample whose volume is 250cm when the volume of air is 200cm? by Sunday | Jun 9 | Agricultural Science WAEC | 0 comments A. 20 B. 25 C. 50 D. 80 Correct Answer: Option A – 20 Users Also Read These:What is the percentage water content of a soil…A fresh garden soil sample weighed 25kg. When…What is the percentage of water content of a soil…A person can focus an object only when it lies…Determine the volume of airspace in the soil sample.