Question

question 6 of 10
which situation is an example of equilibrium?

a. the percentage of nitrogen gas in a room decreases steadily.

b. the amount of water in a cup does not change.

c. a blade of grass slowly grows taller.

d. the amount of air in a room slowly increases.

Explanation:

Equilibrium refers to a state where there is no net change in a system. Option A shows a steady decrease (change), C shows growth (change), D shows an increase (change). Option B has no change in water amount, so it's equilibrium.

Answer:

B. The amount of water in a cup does not change.