Use the information below to answer this question.
In an experiment on soil porosity, the following results were obtained:
Volume of dry soil = 52cm³
Volume of water= 48cm³
Volume of soil and water=78cm³
Calculate the porosity of the soil sample.
28.21%
42.31%
45.83%
61.54%
Correct answer is A
No explanation has been provided for this answer.