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:A fresh garden soil sample weighed 25kg. When…What is the percentage of water content of a soil…If 5.0cm‾³ of 0.200 mol dm‾³ Na2CO3 was diluted to…Calculate the porosity of the soil sample?An oven dried soil sample of mass 8g had a mass of…