Orange juice is a mixture of several substances, including water, sucrose, and citric acid. If a scientist studies samples of many brands of orange juice, which finding is most likely? A. The samples contain the same substances in a variety of proportions.
B. The samples contain the same substances in a fixed proportion.
C. The water in each sample has a unique set of properties.

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

dynamic equilibrium is the answer.