Visualize Five Horizontal Sedimentary Strata Exposed in a Cliff or Canyon

Multiple Choice

Visualize five horizontal sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata are true?

A) Bed 5 is the oldest.
B) Beds l and 3 are older than bed 4.
C) Bed 4 is older than bed 2.
D) Bed 3 is older than beds 2 and 4.