What happens when you put a piece of steel at a temperature of 130F into 40F water?

Cis the

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 .

Oxygen= 88ghydrogen= 12g

The breaking apart of glucose, which involves spontaneous reactions