[tex]\huge\bold\red{Answer:-}[/tex]
✮Earthworms are one of the most important organisms in soils.
✮ Earthworms mix together different layers of soil and incorporate carbon in the form of organic matter into the soil.
✮ It’s within this process of mixing that disperses the organic matter throughout the soil and makes the nutrients held in it available to plants.
✮In addition earthworms propagate microorganisms in their gut adding to the biological population in the soil.
✭Earthworms when present improve the soil physical, chemical and biological properties and acts as soil conditioner.
