Question

An object of mass 3.0 kg travelling at a speed of
6.0 m/s, collides with an object of mass 2.0 kg,
travelling in the opposite direction at a speed of
1 answer​

Answer 1

The layer of soil which is just below the top-soil is called B-horizon. It is also known as sub-soil. The sub-soil is made up of slightly bigger rock particles than that of top-soil. ... The sub-soil has very little humus (decayed organic matter).