¿En cuál de las siguientes reacciones se evidencia una descomposición?

Claim of polic

The flowers in a flower arrangement are actually alive

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 .

Less stable  hope this