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Main sequence O stars have convective cores because they fuse hydrogen in the proton-proton chain.
Racial Superiority
The belief that a particular race or ethnicity is superior to others and deserves to dominate, lead, or be given preferential treatment.
Classification
The systematic arrangement or categorization of entities based on shared qualities or characteristics.
Minority Group
A category of people who experience relative disadvantage as compared to members of a dominant social group within the same society.
Blacks
A term referring to individuals and groups of African descent, often used within the context of discussing racial identity, experiences, and issues in societies.
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