Examlex
Why does the core of a main-sequence star have to be hotter to burn helium into carbon than hydrogen into helium?
Separate
To set or keep apart from others or from a main body or group, highlighting distinction or division.
Gender Segregation
The term for the preference of girls to play with other girls, and of boys to play with other boys.
Play Preferences
The choices or tendencies shown by children in the types of play activities or toys they engage with, often influenced by factors like age, culture, and gender.
Girls And Boys
The biological and social distinctions between female and male children.
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