which situation is an example of equilibrium?
o
a. the amount of water in a cup does not change.
b. the percentage of nitrogen gas in a room decreases steadily.
c. the amount of air in a room slowly increases.
o
d. a blade of grass slowly grows taller.

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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