FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the layers of soil from top to deep in the earth?
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humus, subsoil, topsoil, parent material, bedrock
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humus, topsoil, subsoil, parent material, bedrock
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The soil is composed of different layers. These layers are: Topsoil, Subsoil and Bedrock. The top soil is the uppermost layer of the soil. This layer is rich in humus and minerals which makes the soil fertile and provides nutrients to the plants.
Detailed explanation-2: -Soils are named and classified based on their horizons. The soil profile has four distinct layers: 1) O horizon; 2) A horizon; 3) B horizon, or subsoil; and 4) C horizon, or soil base ([link]).
Detailed explanation-3: -Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. Bedrock can be made of most types of rock, such as granite, limestone, or like this piece of bedrock, sandstone.
There is 1 question to complete.