OBJECTIVE FORESTRY

Detailed explanation-1: -Final Answer: B-horizon layer of soil has a lesser amount of humus, it is harder and more compact.

Detailed explanation-2: -Pedocals are thin and poorly leached and have only a small amount of humus.

Detailed explanation-3: -Mor humus is a form of humus occurring mostly in coniferous forests where there are few earthworms and micro organisms to decompose soil organic matter.

Detailed explanation-4: -The layers of the soil are called horizons. The uppermost horizon is called the topsoil layer. The topsoil layer is a mixture of sand, silt, clay and broken down organic matter, called humus. Humus is rich, highly decomposed organic matter mostly made from dead plants, crunched-up leaves, dead insects and twigs.