Chemistry, asked by sampada6857, 5 months ago

List varios channel which personnel of your unversity connect with you

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Answered by Anonymous
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The layer of soil which is just below the top-soil is called B-horizon. It is also known as sub-soil. The sub-soil is made up of slightly bigger rock particles than that of top-soil. ... The sub-soil has very little humus (decayed organic matter).

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