How does overfishing impact our planet and what consequences can we except in the future?

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 .

c. electrical charges of ionic bonds.

i hoped this , can i get brainliest plzgod bless you

The correct answer is b.hoped i you