Which describes the flow of energy in a food chain? (which food chain makes sense) a. sun--> grass--> mouse--> snake b. grass--> mouse--> snake--> sun c. snake--> sun--> grass--> mouse d. mouse--> snake--> sun--> grass

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?