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What major difficulty did Darwin have with his theory of natural selection?
Extreme Sports
Activities perceived as involving a high degree of risk, often involving speed, height, or physical exertion.
Cognitive Development
The process by which individuals acquire and understand knowledge, develop problem-solving skills, and mature intellectually.
Jean Piaget
A Swiss psychologist known for his pioneering work in the study of child development and his theory of cognitive development.
Cognitive Development
The process by which individuals acquire and evolve their thinking skills, including perception, memory, reasoning, and problem solving throughout their lifespan.
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