Question

Which layer has humus?(the organic component of soil,formed by leaves and other plant materials)

Answer 1

Humus is primarily found in the **topsoil layer**, also known as the **O layer** or **A horizon** of soil. This layer is rich in organic material, including decomposed leaves, plants, and other organic matter, which contribute to the formation of humus. It plays a crucial role in nutrient retention and soil fertility.

Answer 2

Your choices are:
A horizon
B horizon
C horizon

Answer 3

The layer that contains humus is the **A horizon**. This is the topsoil layer, which is rich in organic material and contributes to soil fertility. The **B horizon** typically accumulates minerals leached down from the A horizon, while the **C horizon** consists of weathered parent material with less organic content.