SCIENCE
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Flat
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Watershed
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Horizon
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Substrate
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Detailed explanation-1: -The soil profile is the collective name for layers of soil. The layers are known as called horizons and their physical, chemical and biological characteristics differ from the layers above and beneath. The layers of soil are the soil profile.
Detailed explanation-2: -The collective name for the layers of soil is called soil profile. The soil profile is the vertical section of the soil that is exposed by a soil pit. A soil pit is a hole that is dug from the surface of the soil to the underlying bedrock.
Detailed explanation-3: -A Horizon. Most commonly called topsoil, the A horizon is a layer of mineral soil that has a defined soil structure, and it is mostly made up of humus (decayed organic matter). The A horizon may be a result of soil disturbance by plant and animal activity.