Observe the following experiment
After a few days, which of the following changes will have occurred

Observe the following figure After the system reaches equilibrium, Which of the following changes will have occurred

During strenous exercise, which of the following change occurs

Given figure represents demonstration of osmosis by egg membrane osmoscope. After few days which of the following would have occurred?

After landslide which of the following type of succession occurs?

On which of the following day is World Water Day observed?