Which statement is true about humus?

The following statement is true about humus:

Humus is a dark, organic material formed by the decomposition of plant and animal matter, and it is a vital component of healthy soil.

Humus is an organic material that forms as a result of the decomposition of plant and animal matter. It is usually dark brown or black and has a crumbly texture. Humus is rich in nutrients and acts as a valuable component in soil, as it helps improve soil structure, water retention, and nutrient availability. So, the true statement about humus is that it is a nutrient-rich organic material that enhances soil quality.