Compound a, c12h20, reacts with 2 molar equivalent(s) of hydrogen upon catalytic hydrogenation. a undergoes reaction with ozone, followed by zn treatment, to give: propose a structure for

a.

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 .

The process is c.convection

The percentage of the rock record is 66%plz mark me brainliest! hope this !

Ansel nino;