In the given case, Adeline is probably to get scared and shocked regarding menarche as the culture of her time did not assist in educating young women about menarche.
Menarche refers to the initiation of the menstrual cycle, or first menstrual bleeding, in females. From both the medical and social point of view, it is usually regarded as the principal incident of female puberty, as it indicates the probability of fertility.
Answer:
a the body shivers to generate heat
I believe it is a combination of polygenic inheritance and environmental factors. Several genes control the height in humans, giving an overall normal distribution. Environmental factors on the other hand such as nutrition smooth out the curve. It is therefore important to note that Human height is a quantitative, or metric trait, that is, a characteristic that is measured in quantity, and is controlled by multiple genes and environmental factors.
