Which of the following is caused by the earth's turning around the sun?
A. The rising and setting (落下) of the sun and moon.
B. The change of spring, summer, autumn and winter of the year.
C. The change of the day and night.
Which of the following is caused by the earth's turning around the sun?
A. The rising and setting (落下) of the sun and moon.
B. The change of spring, summer, autumn and winter of the year.
C. The change of the day and night.
B