I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
The suffix ist means one who, that which.
The statement that best describes the stork is option A. Place one foot on the inside of the leg and then raise the heel of the other foot, and remain in this position as long as possible. A stork position is done to check and assess the balancing ability of the person.
Answer:
it is some where around 4.5%
