An accurate clock shows 8 o'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 9 o'clock in the morning?	Choose the correct choice from the following answers
A) 120°
B) 60°
C) 30°
D) 90°
E) 150°
The angle traced by the hour hand in 12 hours is 360°, which is 30° per hour.   In 1 hour, the angle traced by the hour hand is 30°   The answer is 30°.
<result>C</result>
An accurate clock shows 8 o'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 9 o'clock in the morning?