human
Interpret linear sections of real life graphs The graph on the right shows the mass of sand in a bucket over time

What might the horizontal section represent? ![A graph with time (secs) on the horizontal axis and mass (g) on the vertical axis. The graph starts at the origin, travels in a straight line up and right, travels horizontally, then travels in a straight line down and right back to the x-axis, more steeply than the start. ]() Sand is being tipped out
gpt
Believes a horizontal line can show a constant rate of change