The large land was isolated from much of the rest of the world by dry deserts to the north and west :)
Answer:
The answer is "evolutionary"
Explanation:
In the evolutionary approach, it uses analysis techniques for the basic principle, which is used to clarifies the basic human behavior pattern, and it also includes its adjustment, reproductive success, and all the natural processes. This theory is used to explain the personality of the human-like, emotional, and physiological features when it changes as responsive natural processes ingredients.
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<span>The process by witch fertile land becomes desert, typically as a result of drought, deforestation. or inappropriate agriculture</span>