If you wee mixing a solution that would speed up respiration, what ingredients would you include? ( 2 marks) _ Identify what was put into test tube # 2 to provide potential chemical energy (1 mark) _

Identify what converted that chemical potential energy. (1 mark) _

Identify the evidence of growth. (1 mark) _

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 .

Nonmetal are moldable and easily shaped