An atom or groups of atoms that have an electric charge is called an

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Disney, viacom and aol time warner are examples of

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?