А sample of neon initially has a volume of 2.50 L at 20 ∘C . What is the new temperature, in degrees Celsius, when the volume of the sample is changed at constant pressure and amount of gas to 5.00 L

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 number of medals awarded to the track team during the season.