<span>2. Uncovering artifacts of an advanced society</span>
here is this off google hope this helps you
: Pericles brought the city-states of the Delian League, which was established around 478 BC, under the leadership of Athens. Among Pericles' other accomplishments was the commissioning of many of the architectural wonders of Classical Athens, including the Parthenon, which was built between 447 and 432 BC.
When sedimentary rock go to the bottom of a seafloor it sticks together over time and turns into metamorphic rock. Then metamorphic rock melts and when it cools down it turns into igneous rock. This process happen over and over and its called rock cycle.