Respuesta :
The crevasses in glaciers only be 50 meters deep can happen because plastic flow occurs below that depth.
What is plastic flow?
Plastic flow is a phenomenon in which flowing of the material occurs after the applied stress matches a critical value (yield).
Crevasses in glaciers are only be 50 meters deep. Crevasses usually take place on the upper portion of the glacier when a glacial mass moves over sporadic territory the zone of crack is exposed to strain which forms the crevasses.
Learn more about plastic flow.
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