Question

answer the question
1) what are known as topsoil?


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Answer 1

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.

Answer 2

Answer:

n soil classification systems, topsoil is known as the "O Horizon or A Horizon," therefore, it is the very top layer.

Explanation:

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