Rocks are said to be crystalline when the atoms forming them are
The correct answer is: C
Explanation
Crystalline rocks are rocks that;
-do not contain fossils
-do not occur in layers i.e they are non-stratified
Rocks are said to be crystalline when the atoms forming them are
Crystalline rocks are rocks that;
-do not contain fossils
-do not occur in layers i.e they are non-stratified