Wind, rain, or animals can cause soil to wash away, wear down rocks, or change the direction of a stream. It is a natural process that occurs over time, but can be diminished by trees and plants. The roots hold soil in place. People must take caution not to erode areas as well. The natural order of animal life and survival.
Microbes are bacteria and are too small to be seen with the naked eye.
Chemicals that join together and make up rocks, which get broken down into soil. Minerals are found in a variety of foods and are necessary for the growth of living organisms. Vitamins for plants. Plants get their nutrients from the soil and pass them along to us when we eat the plants. Plants grow in nutrient rich soil and absorb the nutrients.