Which of the Following Statements About Airflow in the Middle

Multiple Choice

Which of the following statements about airflow in the middle and upper troposphere is true?

A) The predominant flow is from the equator poleward.
B) The flow is predominantly from the poles toward the equator.
C) The predominant flow is easterly in the midlatitudes and westerly in the tropics.
D) The flow is west- to- east throughout the midlatitudes.