The dark brown in the animation represents a section of liquid as it flows into a region marked by the horizontal line and the corresponding water that must move out of the region in the top right. Th...The dark brown in the animation represents a section of liquid as it flows into a region marked by the horizontal line and the corresponding water that must move out of the region in the top right. The dark blue in the animation is a section of water (density 1000 kg/m3) as it flows through the pipes (assume they are cylindrical; that is, the vertical distances in the animation correspond to the diameter of the circular cross section).