Many females using hormonal contraceptives in general tend to have lighter and shorter menstrual periods after a few months, but those using non-cyclic methods often do not have any menstruation at all. why might this be? write a paragraph describing a potential mechanism.

No endometrium formation and no uterus stimulation

Explanation:

The use of contraceptive as hormones can be cyclic or non cyclic. In non cyclic contraceptive the hormones are taken constantly for month and years. The control of pregnancy by the use of hormones directly function on endocrine system of the body. The cyclic contraceptives gives hormones for about three weeks.

The ovulation is reduced by the use of contraceptives. The contraceptives reduce flow of blood. The uterus stimulation and its thick lining (endometrium) formation is inhibited by the use of non cyclic. Thus, non-cyclic methods often do not have any menstruation at all.

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.