One of the health problems associated with the female athlete triad is amenorrhea which is a lack of

One of the health problems associated with which is lack of MENSTRUAL PERIOD.
Amenorrhea condition refers to abnormal absence of menstruation. It specifically refers to absence of menstruation for three consecutive cycles in a woman who has been menstruating normally before. There are two types of amenorrhea, primary and secondary amenorrhea. The secondary amenorrhea is the one that is usually experience in female athlete triad.

One of the health problems associated with the female athlete triad is amenorrhea which is a lack of menstruation

Explanation:

One of the important symptoms of the female athlete triad is the amenorrhea which is the missing of the menstrual cycle. The cycle of menstruation repeats itself in every 28 days, a normal women after puberty is said to repeat the cycle in the corresponding days, if the woman misses the cycle for more than 3 times then she is supposed to have amenorrhea.

Early organisms in the precambrian era converted _Carbon dioxide_ to oxygen.

Explanation:

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