theres is a fourth state of matter called plasma found in extremly hot environments like the sun. suggest why dalton did not include this form in his atomic theory

Exothermic,  physical change after it is already baked

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 answer is d.potassium