https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/9653959
Each teaspoonful of health soil contains billions of soil microorganisms like the purple snout mite seen here. Photo credit: USDA-ARS, Electron & Confocal Microscopy Unit, Beltsville, MD USA
Original public domain image from Flickr
Public DomainFree CCO U.S. Government image for Personal and Business use