Explain what chemical evolution is and how it may have created life on Earth. Include the terms bacteria, reproducing molecules, and non-living matter. can someone plss help me??​

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?