Owner Adams has a listing in force with Broker Baker. Owner Adams sold the house without the aid of Broker Baker. What kind of listing did Broker Baker have if Owner Adams has no commission obligation to Broker Baker?

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.