Examlex
The subatomic particles contained in the nucleus of an atom are ________ and ________.
Textbook Purchases
The act of buying books required for academic study, often specified by educational institutions.
Students' Income
The total earnings of students from various sources, including part-time jobs, scholarships, or family support.
Substitute Goods
Products or services that can replace each other in use or consumption, offering consumers choices when making purchase decisions.
Chocolate-Covered Peanuts
A snack item consisting of peanuts coated in chocolate.
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