Displacement, projection, and regression are types of what?

What is the difference between a joint and a fault? a)a joint is formed by confining pressure. b)a joint is formed by differential stress but a fault is not. c)a fault is formed by tension but a joint is formed by compression. d)a fault displaces the rocks on one side relative to another.

What body systems are involded in sleep homeostasis

Is psychology a science? use evidence form the article to explain you answer.