Which of the following statements best describes the current atomic theory

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?

Which three statements represent the benefits of performing experiments using computer simulations?

What is the percentage of hydrogen in c2h4