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15-06-2018
Biology

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What is in the topmost layer of soil called the O horizon?

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noonoo403 noonoo403

15-06-2018

Yes the o horizon layer is where most plant life is like in a forest it where all the roots of grass is

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Аноним Аноним

16-06-2018

leaf litter and humus (decomposed organic matter).

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