Question

substance present in soil experiment​

Answer 1

Pollutants in the soil. A pollutant is a chemical or other substancewhose properties and concentrations are potentially hazardous to the environment and/or human health. Soil can be polluted by natural substancessuch as the minerals contained in the rock from which soil is formed that are released due to weathering.

Answer 2

Minerals: A very important substance found in soil. ... Some of the most common minerals found in soil are, Iron, Potassium, Magnesium, Calcium, Sulphur etc. Humus: Humus is the organic substances that are formed due to decomposition of dead and decomposing plants and animals. It lends the soil its fertility.