Answer and Explanation:
1. The author is exploring the ability of boredom to cause strange and undesirable behavior, especially in scientists who are isolated, whether in space or in very unpleasant environments.
2. The author's purpose is to show little-known information about continuous boredom and without the slightest possibility of bailing out anytime soon. It shows how dangerous this feeling is and can create serious problems.
3. The sections offer a complement to each other, making one complete not only the information given in the previous section, but also provide other information on the same topic, thus creating a strong relationship between them.
4. A fact used to support the topic presented in the text is the existence of a windowless geodesic dome, near the Mauna Loa volcano, in Hawaii where people are tested on how humans would live in situations similar to those they would face on Mars, with deprivations and experiencing their own boredom.
