According to Semple, Human geography is the study of the changing relationship between the unresting man and the unstable earth. Which of the following is the keyword in this definition given by Semple?

Dynamism

The correct answer is option 1: Dynamism

Explanation:

• Ellen C. Semple, a proponent of Environmental Determinism, describes human geography as the study of the changing relationship between humans ("unresting man") and nature ("unstable earth").
• The key idea in this definition is continuous change and movement, which is best captured by the word "Dynamism."