Jena draws a Venn diagram to compare floods and storm surges. Which statement belongs in the region marked X? can be caused by hurricanes push water onto the shore pose the greatest threat to coastal residents pose the greatest threat to inland residents

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?