Question

Four laws or principles are involved with the study of stratigraphy. They are _____.

law of original horizontality
law of superposition
law of original lateral continuity
law of gravity and oppositional force
law of cross-cutting relationships

Answer 1

This probably doesn't help now but here:
Law of original horizontality, Law of superposition and Law of gravity and oppositional force

Answer 2

law of superposition law of original lateral continuity

Hope it helps :)