Question

Humus consists of _____.

1. decomposing organic material
2. all of the organisms inhabiting the soil
3. mostly water and inorganic nutrients
4. anions and cations found in the soil
5. strictly soil microbes

Answer 1

Humus is a dark organic matter that is an important part of your soil
Humus consists of decomposing organic material. The process of creating humus is called Humification: decomposition of organic matter into smaller and smaller molecules by the micro-organisms in the soil (mostly bacteria and fungi).