ANSWER:
A. Marine transgressions
Step-by-step explanation:
Marine transgression causes the shoreline to move towards higher ground. Sedimentary layers can deposit as sea level moves inland, leaving behind thick sedimentary layers along the shoreline. These layers can be used to measure prehistoric sea levels.
REFERENCE:
Section 5.3
Answer: Marine transgressions
PF says "slow process of sea level rise called a marine transgression, thick, successive layers of sediments deposit along the edge of the continent"
6.5m questions
8.6m answers