When the real objects are not possible to show to the students, the teacher uses the imaginary objects to explain the concepts like Oceans, Continents, Dam and factory. The objects he used can be classified into these experiences.

Correct option is C

When explaining concepts such as oceans, continents, dams, and factories, since it is not possible for the teacher to show the actual objects to the students, he used their imaginative models or representations. The objects he used belong to the category of concrete experiences."