Which of the Following Is an Accurate Description of the Effects

Multiple Choice

Which of the following is an accurate description of the effects of zeitgebers on the body's internal clocks?​ 

A) Both the suprachiasmatic nucleus (SCN) and peripheral clocks are affected more by light than any other type of zeitgeber. 
B) The suprachiasmatic nucleus (SCN) is more affected by light, whereas the peripheral clocks are more affected by feeding patterns. 
C) The peripheral clocks are more affected by light, whereas the suprachiasmatic nucleus (SCN) is more affected by physical activity. 
D) Both the suprachiasmatic nucleus (SCN) and peripheral clocks are affected more by physical activity and feeding patterns than by light.