Question

the original rock from which soil has been formed is called its--------------
a)parent rock
b)igneous rock
c)sedimentary rock
d)extrusive rock​

Answer 1

Answer:

Parent rock, also referred to as substratum, refers to the original rock from which something else was formed. It is mainly used in the context of soil formation where the parent rock (or parent material) normally has a large influence on the nature of the resulting soil.

Explanation:

Answer 2

The original rock from which soil has been formed is called its Parent rock