Question

The ______ top soil is the outer most layer ex posted to air​

Answer 1

Answer:

outermost layer of soil, usually the top 5–10 inches (13–25 cm). It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs.

Explanation:

Answer 2

Answer:

The crust's top soil is the outer most layer ex posted to air

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