Two compounds that have the same molecular formula but different structural formulas are

This definition would best fit conformational isomers. Two compounds that have different structural formulas, although the number and types of atoms are the same.

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 .