Question:
Regarding the microorganisms (bacteria) distribution in the soil, the highest number can be found:
Author: Exciteful ElkAnswer:
At 4-30 cm depth beneath the ground level
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Alternative answers:
In the upper soil layer, from the surface to a depth of 2-3 cm
At depth more than 3 meters
At depth more than 15 m
In the troposphere
Author
Exciteful Elk