The answer is B) sometimes people are forced to leave a place, and other times they fell forced to leave due to persecution.
In fact, since the Moon is constantly rotating on it's own axis, there is no area of the planetoid which is permanent darkness, and the far side of the Moon is only completely devoid of sunlight during a Full Moon - when the Sun is facing the Moon with the Earth in between.
Carbon-14 has a short half-life. - After 1,000,000 years, there would not be enough C-14. - 14C decays quickly. ... - Too little of the original radioactive sample would remain.
Answer: economic reasons
Explanation:
Settlement revolved around some sort of trade