2. What is the mass of 3.6 x 1024 molecules of nitrogen triiodide? (3 What is the yolume, in liters, of 5.25 x 1027 fu magnesium sulfide
2
(solve both please)

Answer is to avoid experimental error

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 .

Sorry i dont understand the question can you rephase it?

The correct answer is "hydrogen".