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Why are massive stars more luminous than low mass stars That is, why is there a mass-luminosity relation
Approach-approach Conflict
A psychological dilemma occurring when an individual faces two equally desirable but mutually exclusive goals or options.
Puberty
The period during which adolescents reach sexual maturity and become capable of reproduction.
Sexual Encounter
An interaction between individuals that involves sexual activities or behavior.
Self-concept
An individual's perception of themselves, encompassing beliefs, attributes, and feelings about one's identity and capabilities.
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