Calculate the number of moles of MnO4- in 20.1 mL of 0.020 M potassium permanganate solution. Calculate the number of moles of hydrogen peroxide needed to react with 20.5 mL of 0.020 M potassium permanganate solution.

It changes food into energy that the organism can use.

Ithink its solid. hope this

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 .

Rn in the right answer