Which statement is correct?
A. Exhaled air contains more oxygen and less carbon dioxide.
B. Exhaled air contains less oxygen and less carbon dioxide.
C. Inhaled air contains equal amount of carbon dioxide and oxygen.
D. Exhaled air contains more carbon dioxide and less oxygen.
Answer:D
Which statement is correct?
A. Exhaled air contains more oxygen and less carbon dioxide. B. Exhaled air contains less oxygen and less carbon dioxide. C. Inhaled air contains equal amount of carbon dioxide and oxygen. D. Exhaled air contains more carbon dioxide and less oxygen.