traivon1928 traivon1928

04-10-2017
Chemistry

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Topsoil occurs in this layer, which is composed of a combination of organic debris and mineral matter

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meerkat18 meerkat18

16-10-2017

It is commonly called as "A horizon" or simply horizon. It is the upper and outermost layer of soil in which most of the biological activity occurs as it comprises of high concentrations of organic debris and matter which are essential for life.

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