Match each law or principle to its description.

1. law of original horizontality
2. law of superposition
3. law of original lateral continuity
4. law of cross-cutting or intrusive relationships

a) Sediment gets pulled down by gravity in a horizontal and flat layer.
b) Sediment continues to spread in a flat plane until it hits an edge or runs out of material.
c) If there is a fracture or intrusive feature seen in rock strata, it is younger than the rock strata.
d) The youngest strata are at the top and the oldest are at the bottom.