Imagine that you are a farmer. You own many acres of land, but much of it is not arable because it lacks nutrients that crops need to survive. Which of the following strategies would you use to make your land arable?

answer; ////increased water pollution; ///////////////////////

"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."

the answer is "a.) well–developed vascular system."

explanation: