Answer:
The monomers combine with each other via covalent bonds to form larger molecules known as polymers
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Answer:
In addition to accidents during spaceflights, 13 astronauts, test pilots, and other personnel have been killed during training and test flights.
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Answer:
positive feedback
Explanation:
Negative feedback makes the body back to normal, for example, the body releases less glucose into the blood when there is a high blood sugar. Since more growth hormones are released because of the presence of growth hormones, this cannot be negative feedback.
Positive feedback increases a stimulus, for example, the body's release of Oxycontin during labor, causing contractions. These contractions cause more Oxycontin to be released. Since the stimuli is increasing, we can say its positive feedback
This suggests that a certain amount of body fat is necessary for menstrual cycles to occur. The nervous system appears to respond to circulating levels of the adipose tissue hormone leptin; when leptin levels fall below a certain set point, menstruation ceases. Because a woman lacking adequate fat reserves might not be able to have a successful pregnancy, the body prevents pregnancy by shutting down the ovarian cycle, and thus the menstrual cycle. Once sufficient energy reserves become available, the cycles begin again.
using the parents, it give you like a percentage sorta like thing for what traits the offspring will have, but it all depends on the parents