When an earthquake occurs, energy radiates in all directions from its source. the source is also referred to as the

Plss anybody know how to do this? ? i need the answers from a through d

Explain what happens at the saturation point when adding salt to water at room temperature.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.