A block of material has a volume of 2 mº. It has a mass of 1 x 104kg. Calculate the density of the material sample and express your results in g/cm with appropriate scientific notation.

the answer is true.

this statement is true.

It will fall off and tip over. 

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 .