Which sentence best describes how scientists plan out their experiments? A. They form a hypothesis.
B. They ask a scientific question.
C. They form a specific theory.
D. They use the scientific methosh

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?