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How many molecules are in (a) of air at STP and (b) of helium at STP? (R
Puberty
The developmental stage in humans marking the transition from childhood to adulthood, characterized by physical growth and sexual maturation.
Formal Operational
The final stage of cognitive development in Piaget's theory, occurring from age 12 onwards, characterized by the ability to think abstractly and logically.
Hypothetical Situations
Scenarios or conditions that are imagined for the purpose of discussion, analysis, or experimentation, often used in problem-solving or decision-making processes.
Secondary Sex Characteristic
Physical traits that emerge during puberty, distinguishing the biological sexes but not directly involved in reproduction.
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