Concept:Child development studies physical, cognitive, and emotional changes from birth to adulthood, and its scope includes multiple interconnected aspects.
Explanation:The scope of child development covers different stages such as infancy, childhood, and adolescence, each with unique characteristics.
It also examines how environmental factors, like family and school, influence a child's growth and behavior.
Moreover, children develop at different rates, leading to individual differences in abilities and milestones.
Therefore, studying stages, environmental effects, and individual differences all fall under the scope of child development.
Answer:D. All of the above