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Which observation best identifies a process as exogenic rather than endogenic?

Answer and explanation

Correct answer: The process changes rocks at the surface through water, air, or ice

The correct answer is B. The key test is to identify where the process acts and what drives it. Exogenic processes work at or near the surface and use external agents such as running water, wind, glaciers, atmospheric gases, or temperature changes. These agents can weather rock, erode it, transport fragments, and deposit them elsewhere. A is an endogenic clue because internal heat originates inside Earth. C is endogenic because rising magma comes from internal molten material. D is endogenic because plate stress is a tectonic force generated within the Earth system. A surface effect alone does not prove that a process is exogenic; its energy source and agent must also be considered. Memory cue: outside agents shape the outside surface.

Related tags

Exogenic ProcessesEndogenic ForcesWeatheringErosionEndogenic And Exogenic ForcesGeomorphic ProcessesGeographyClass 11 Mcq

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