Which is an example of radiation? Troy’s hand is burned when he touches hot wax. Earth is heated by energy from the Sun. A hot dog is held over a fire and gets warm. Water is boiled in a pot on a stove burner.

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?