Which statement best describes the introduction of an argumentative essay? It acquaints readers with the topic and sets up the ideas that will be presented. It establishes the main point of the essay and tells readers what the writer’s position is. It ties the essay together and tells readers what they have learned and should take away. It fleshes out the argument and includes counterclaims and evidence from research.

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

b a mature ovary of a plant.