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An unmarried person and a person with an employed spouse.
Piaget
A Swiss psychologist best known for his pioneering work in the field of developmental psychology and his theory of cognitive development in children.
Conservation
The protection, preservation, management, or restoration of natural environments and the ecological communities that inhabit them.
Piaget's Stages
A theory outlining four stages of cognitive development in children, including sensorimotor, preoperational, concrete operational, and formal operational stages.
Cognitive Development
The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding across the lifespan.
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Q115: What is the range?<br>A)103<br>B)23.62<br>C)557.97<br>D)128.8<br>E)115
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