Examlex
What was the MOST important difference between the development of Isaac Newton's theory of planetary motion and that of Johannes Kepler?
Search for an Object
A cognitive milestone in child development where a child learns that objects continue to exist even when they are not seen, leading to behaviors such as looking for hidden objects.
Problem Solving
The process of identifying a challenge and finding an effective solution to overcome it.
Final Substage
The last phase or period in a series of developmental stages or processes, indicating the completion of a certain developmental sequence.
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