Why Do Population II Stars Contain Almost Nothing but Hydrogen

question 2

Essay

Why do population II stars contain almost nothing but hydrogen and helium?

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Definitions:

Past Behaviour

Actions or reactions displayed by an individual or organization in previous situations, often used as an indicator for future performances.

Cross-Validation

Verifying the results obtained from a validation study by administering a test or test battery to a different sample (drawn from the same population)

Original Validation Study

A research endeavor that aims to determine the effectiveness and accuracy of a tool, test, or process for the first time.

Myers-Briggs Type Indicator

A psychometric questionnaire designed to measure psychological preferences in how people perceive the world and make decisions.