Santi is walking barefoot through his yard when he steps on a sharp rock. the skin on the bottom of his foot sends
this information through an) interneuron to his
. a(n)
which sends a signal to
picks up this information and carries it to a(n)
the muscles in his foot causing his foot to pull away from the rock.

Match each law or principle to its description. 1. law of original horizontality sediment continues to spread in a flat plane until it hits an edge or runs out of material. 2. law of superposition the youngest strata are at the top and the oldest are at the bottom. 3. law of original lateral continuity sediment gets pulled down by gravity in a horizontal and flat layer. 4. law of cross-cutting or intrusive relationships if there is a fracture or intrusive feature seen in rock strata, it is younger than the rock strata.