A breathing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen at a total pressure of 1.0 atm if PHe = 609.5 mmHg and PCO2 = 0.5 mmHg? A. 760 mmHg

B. 500 mmHg

C. 150 mmHg

D. 100 mmHg

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 .

What do you need with it’s not a question your just stating what it says