You observe every day in your surroudings that there is variation in natural as well as cultural phenomena. All the trees are not of the same variety. All the birds and animals you see, are different. All these different elements are found on the earth. Can you now argue that geography is the study of “areal differentiation”?

Variations in the natural as well as cultural phenomena provides a clue in understanding the relationship between physical environment and cultural features.

The physical environment has provided the stage over which the human societies enacted the drama of their creative skills with the tools and techniques which they invented in the process of their development. It can be said that geography is the description of the earth. We know that the reality is always multifaceted and the earth is also multi-dimensional. This is why many disciplines from natural sciences and a number of sister disciplines in social sciences study different aspect of the earth's surface. Geography is different from other subjects but at the same time it is closely related to other disciplines. Geography derives its data base from all the natural and social sciences.

The existing variations over the surface of the earth in physical as well as cultural environment. A number of phenomena are similar and many are dissimilar. It is, therefore, logical to perceive geography as the study of a real differentiation.