Oxygen makes up 65% of a person’s weight. Which of the following is the ratio of oxygen to all the…
Oxygen makes up 65% of a person’s weight. Which of the following is the ratio of oxygen to all the…
Oxygen makes up 65% of a person’s weight. Which of the following is the ratio of oxygen to all the other substances in the human body? A 1 over 65 B 65 over 1 C 17 over 20 D 13 over 20
