Question

Explain
measure
of Top soil​

Answer 1

Answer:

$\large\mathbb{\underbrace\purple{ANSWER}}$

Accurate depth of the topsoil layer is measured as the depth of the surface to the first densely packed soil layer known as subsoil.

Answer 2

Topsoil is the upper, 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. Topsoil is composed of mineral particles, organic matter, water, and air.