One teaspoon of soil is likely to contain more microbes than there are people on Earth. The same amount of soil might also contain several miles of fungal material.

BRITANNICA.COM

Could We Lose All the Soil on Earth?

Soil—a complicated medium, formed slowly by both biological and geological processes—exists as a thin barrier on the uppermost layer of Earth’s crust on land. Given that soil is found nearly everywhere on the surface of the continents (with the exception of very rocky areas), it is unlikely that we