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Which pair is not a conjugate acid-base pair?
Stratified Random Sample
A sampling method where the population is divided into subsets, known as strata, and a random sample is taken from each stratum.
Freshman
A student in their first year of study at a high school or university.
Sophomore
The term used to describe a second-year student in high school or college.
Junior
A term typically used to describe a third-year student in a four-year educational institution or someone with intermediate level experience in a job role.
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