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…If 5.0cm‾³ of 0.200 mol dm‾³ Na2CO3 was diluted to…A person can focus an object only when it lies…Calculate the porosity of the soil sample?When chlorine is passed through a sample of water,…