What environmental problem likely caused all of these problems?
a. smog from city areas is causing acid rain.
b. global warming causes all of these problems.
c. the groundwater has become polluted from city runoff. eliminate
d. there is a hole in the ozone layer over new york state.?

Option C

Explanation:

Environmental issues refers to the harmful effect of human activities on the Earth which affect the health and we'll being of both humans and Animals.

Ground water that has become eliminated Is the major causes of the the problem In the area. Pollution pose Heath risks to man and animals.

"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."