Question

what will happen if top layer of soil exposed​

Answer 1

Answer:

If the top layer of soil is exposed, then it will gradually expose the lower layer of soil, which is hard and rocky in nature. This type of soil is less fertile as it contains less humus. Continued soil erosion will make the land barren or infertile.

Answer 2

or

Answer:

the soil is exposed the lava and magma comes outor than soil