Answer:
B. coal is not considered a true rock
Explanation:
It is true that coal is not considered a true rock this is because, it made up of organic matter.
A rock is an aggregate of minerals. Minerals that form rocks are made up of inorganic substances that are naturally occurring and they have a definite composition.
- Coal is a made up of the element carbon.
- This element in coal is sourced from an organic origin.
Therefore, coal, although a rock does not really satisfy the definition of a true rock.
