A student investigated how the concentration of copper sulfate solution affects the mass of copper deposited on the negative electrode. What are the
independent variable in this investigation? *
Concentration of copper sulfate solution
Distance between electrodes
Ο Ο Ο
Mass of copper deposited
Time circuit is switched on for

The answer is 65.3312

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 .

16- counting by fours