Concept:Piaget's theory emphasizes that children actively build their own understanding through interaction with the world, rather than passively receiving information.Explanation:Piaget argued that knowledge is not directly transferred from the environment. Instead, children construct knowledge by exploring, acting on objects, and forming mental schemas. They constantly adapt these schemas as they encounter new experiences. This process highlights the child’s active role in learning, not passive absorption.Answer:Option B: constructed by the child rather than being passed passively from the environment.