Sandstone is formed from tiny particles of sand cemented together. Sandstone is a <u>a sedimentary rock</u> .
I imagine, it's A, they get a sense of the history of the area they are investigating.
They morphed into cartels and monopolizes. Corporations began to emerge around this time.
The focus is the place inside Earth's crust where an earthquake originates. The point on the Earth's surface directly above the focus is the epicenter. When energy is released at the focus, seismic waves travel outward from that point in all directions.
The ring of fire in is the pacific rims region
