The onset of the menstrual flow causes a drop in female hormone levels. The correct option is D.
<h3>What is the female hormone?</h3>
Estrogen is the female hormone that plays an important role in the reproductive development of women.
When the egg does not fertilize, the menstrual cycle begins, and this stops the production of female hormones.
Low estrogen levels cause irregular periods, and difficulty in getting pregnant.
Thus, the correct option is D.
Learn more about the female hormone
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Its is very depending so you cant see a microorganism without using a microscope no other way to see it, you would not be able to use your naked eye. <span> You also cannot taste or smell microorganisms such as the bacteria in the contaminated food. However, you cant do that but you can smell the odor of bacteria metabolizing sweat. Toenail fungal infections also produce an odo</span>
Answer:
Plyometrics, also known as jump training or plyos, are exercises in which muscles exert maximum force in short intervals of time, with the goal of increasing power
Explanation:
Answer:mental life; observable behavior
Explanation: Mental life has a lot to do with how psychologists focus more on the physiological research in the 1920s and 1960s, but as times goes by, they emphasize more on observable behavior. Because both mental life and observable behavior work together for a good psychological result.
