Respuesta :
Answer:
The principle of cross-cutting relationships states that a rock unit (or other geological feature, such as a fault) that is cut by another rock unit (or feature) must be older than the rock unit (or feature) that does the cutting.
Explanation:
such as faults, are YOUNGER
IGNEOUS formations are made of molten rock that had cooled.
Those on earths surface are called EXTRUSIONS
Those beneath earths surface are called INTRUSIONS
Explanation: edgenuity 2020
