Hand Rake Soil (IMAGE) Colorado State University Caption Soil is a natural resource comprised of solids, liquids and gases that is found on the land surface. Credit Ru. Hartnop, from the Global Soil Biodiversity Atlas Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.