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cricket20 [7]
3 years ago
5

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

Biology
2 answers:
lara31 [8.8K]3 years ago
5 0
Yes the o horizon layer is where most plant life is like in a forest it where all the roots of grass is
Vinil7 [7]3 years ago
4 0
Leaf litter and humus (decomposed organic matter).
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