1.what type of fronts and air pressure system are near michigan?
a. what types of weather conditions are expected
2.what type of front and pressure system are near massachusetts?
b. what types of weather conditions are expected

1:Cold front , stationary front
a: possible storms
2:warm front

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 .