Question

the arrangement of horizons in a vertical section of soil

Answer 1

Arrangement of horizons in vertical section :
•o -contains humus or organic matter
•A horizon:Topsoil
•B horizon: subsoil
•C horizon:parent material
•D horizon:bed rock
Hope it helps

Answer 2

The vertical section through the soil showing the various layers of soil is called the soil profile.

Soil is generally arranged in three layers. Each layer is called as horizon.

A horizon
⬇
B horizon
⬇
C horizon
⬇
Bed Rock