Walton has a thirst for knowledge, as the stranger once did. what details suggest that both are willing to make sacrifices in the search for knowledge? do they seem unusual in this respect?

Walton abandoned his family for his journey and study. Victor invested all his energy finding out about science and even sacrificed his well-being and social life for the production of life. Walton's hunger for learning of investigation drives him to complete separation. Victor too alienated himself from society by making life which prompt calamity. They later turned out to be distant from everyone else and troubled because of the result of their thirst for knowledge.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.

answer; protectionism fosters competition and keeps price regulated;