The astronomical event that represents the great serpent mound is Halley's Comet.
C cause our oceans and lake and river are huge so yeah
<span>if uplift is faster than erosion, then the land will rise creating mountains or plateaus</span>
That would be the focus. The focus is indeed the point inside the earth where an earthquake takes place as well as the point inside the crust where the pressure is released. The area on the Earth's surface directly above the focus is called the epicentre.
