Examlex
Which of the following is not a part of the formal operational stage according to Piaget's theory of cognitive development?
Limestone
A sedimentary rock, primarily composed of calcium carbonate (CaCO3), formed mostly from marine organisms' skeletal fragments.
Dissolution
The process of a substance being dissolved by a solvent, leading to the formation of a solution.
Limestone
A sedimentary rock composed mainly of calcium carbonate (CaCO3), often formed from the skeletal fragments of marine organisms.
Karst Topography
A landscape formed from the dissolution of soluble rocks such as limestone, characterized by underground drainage systems and sinkholes.
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