Which statements describe the focus of an earthquake? Select three options.
It creates stress in rock.
It develops in the lithosphere.
It is the starting point of an earthquake.
It lies above the surface where rock breaks.
It begins about 100 kilometers below Earth's surface.

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.