Final Answer:
The line or lines in the graph represent(s) bags that contain a solution that is hypertonic at 50 minutesr are E) D and E. (Option E)
Step-by-step explanation:
To identify bags with a hypertonic solution at 50 minutes, we need to look for lines that represent solutions with a higher concentration of solute compared to the surrounding environment. In the given options, lines D and E represent bags with a solution that is hypertonic at 50 minutes. This is because these lines are above the initial concentration level, indicating an increase in solute concentration.
Hypertonic solutions have a higher solute concentration than their surroundings. In the context of the graph, lines that rise above the initial concentration level indicate an increase in solute concentration. At 50 minutes, both lines D and E are above the starting point, suggesting that the solutions in the corresponding bags have become hypertonic. Line D shows a more significant increase, while line E shows a moderate increase.
When analyzing graphs, it's essential to understand the axes and the information they represent. (Option E)