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In which horizon , humus is present in reasonable amount?
CLASS 7, SCIENCE
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Answer:
A-Horizon is the correct answer
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answer A- horizon
Explanation:
The horizons are: O (humus or organic): Mostly organic matter such as decomposing leaves. The O horizon is thin in some soils, thick in others, and not present at all in others. A (topsoil): Mostly minerals from parent material with organic matter incorporated.
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