Write the Appropriate Letter in the Blank by Using the Following

Short Answer

Write the appropriate letter in the blank by using the following answer code to indicate the relative magnitude of the two items in question.
a.A is greater than b.b.B is greater than
a.c.A and B are equal or approximately equal.
-a.The length of the luteal phase of the average menstrual cycle
B.The length of the follicular phase of the average menstrual cycle