What type of system is associated with weather that is cold but sunny with almost no clouds in the sky? a. low pressure system b. high pressure system c. tropical system d. circulatory system

The type of system that is associated with weather that is cold but sunny with almost no clouds in the sky is B. high pressure system.

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 .