. From your data, discuss how changes in the hydrogen ion concentration [H ] in the solution cause the color of the indicator to change. Discuss why the reaction must come to equilibrium before the final color of the solution is seen.

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

Your answer is a just took the test

The answer is accuracy