Answer:
lack of resources, and mating
Explanation:
they may go ictenct
The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation, and the luteal phase. Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS). Knowing when in the menstrual cycle a woman is most likely to conceive can increase the chance of pregnancy.
It would be epithelial tissue that covers it.
The amount of sleep you get is the independent variable because it does not depend on the scores on tests
