Examlex
Which of the following is a semiconductor?
A Barrier
An object or circumstance that impedes progress or achievement, often serving to block passage or access to something or someone.
Formal Operations
The final stage in Piaget's theory of cognitive development, characterized by the ability to think abstractly and logically.
Cognitive Development
The process by which an individual's ability to think, reason, and solve problems evolves over the course of their life, particularly during childhood.
Age 11
A developmental stage in human growth often associated with the preteen years, marking the transition from childhood to adolescence.
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