Decomposed plant and animal residues.
clay
humus is a source of nutrients which makes soil fertile.
humus
The inorganic component is weathered rock. The organic component is dead or decaying organisms collectively called humus.
dirt is made up of disintegrated rock and humus Dirt is made up of four things. They are humus, clays, stones, and sand.
Humus
Humus A+
Soil is composed of organic and inorganic parts. Inorganic is weathered rock. Organic is dead or decaying organisms called humus. Fallen leaves are part of what makes up humus. Fallen leaves (as well as all humus) are found in the "O" horizon as well as the "A" horizon.
Soil is made up of a thin layer of weathered rock, humus, air, and water.
It is called humus.
"Humus is in soil," "the humus levels were high," Did I answer your Question?
the decaying matter in soil is called humus.