Social structure is the system of socioeconomic
stratification such as the the class structure, social institutions and other patterned relations between large social
groups. The key components of social structure include culture, social class,
social status, roles, groups, and social institutions.
Carbon mioxide or something
Answer:
Her sample is not representative of college students as a whole
Explanation:
Lucy just distributed the survey in three of her classes and this is not encompassing enough hence cannot be used to draw a conclusion on the population. She could have gone across different sections of students in the college and make the selection such that every part is duely represented, after which she can conduct her survey.