Multiple Choice
The oxygen content of dry air in the atmosphere
A) is about 78.1%.
B) is about 21.0%.
C) is about 0.03%.
D) varies depending on the altitude.
E) is inversely proportional to the partial pressure of oxygen.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q4: Which dissolved gas cannot be transported by
Q5: The many lamellae in the gills of
Q6: The primary advantage of gills versus the
Q7: In the countercurrent exchange in a fish's
Q8: Which of these animals uses positive pressure
Q10: During exercise,the blood returning to a person's
Q11: What would a graph of internal lung
Q12: What change would increase the rate of
Q13: In tissue capillaries,_ combines with water to
Q14: Each breath is initiated by neurons in