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What is the minimum mass main-sequence star that becomes a Type II supernova?
Object Permanence
Object permanence is the understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, a concept typically developed during early infancy.
Piaget's Notion
The concept introduced by Jean Piaget that focuses on the cognitive development of children, outlining how they progress through distinct stages of development with increasing complexity in thought processes.
Intentionality
The ability to engage in behaviors directed toward achieving a goal.
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