Which two properties are explained by the pool-of-shared-electrons model for metals? A. low vapor pressure, high melting point

B. malleability, conductivity

C. high melting point, conductivity

D. low vapor pressure, malleability

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?