Question

Who first used the word gradation in geography?

Answer 1

The term gradation was first coined by "Letin Gradationem.

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Answer 2

Answer:

G.K Gilbert

Explanation:

The word ‘Gradation’ comes from the word ‘Grade’, the word ‘Grade’ first used by G.K. Gilbert,1876, he used the word for explaining the concept of ‘graded river’ where the author discussed the concept of equilibrium of landforms.