Select the correct answer. How are ionic bonds formed?

A.
by the disintegration of one or more electrons

B.
by the sharing of one or more electrons between two atoms

C.
by the transfer of one or more electrons from one atom to another

D.
by the disintegration of one or more protons

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 .