Examlex
The average rate of disappearance of A between 20 s and 40 s is ________ mol/s.
Middle-Class
A social group between the working class and upper class, typically characterized by moderate to high income levels, educational attainment, and white-collar occupations.
Social Class
Categories of individuals within a society differentiated by factors such as wealth, occupation, and social status, often influencing their opportunities and privileges.
Extracurricular Opportunities
Activities and programs offered by educational institutions that fall outside the realm of the standard curriculum, aimed at enhancing students' learning experience and personal development.
Mainstream Culture
The prevailing cultural norms, values, and practices that are widely shared and accepted within a society or societal group.
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