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Hipervinculo Física
Learn how and why sinkholes form and conditions that increase the risk of sinkholes forming.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Sinkholes can occur in almost any type of rock but are most common in limestone and other karst toporaphy. People and property have been swallowed by sinkholes.
It is an educational content of CK-12 Fo ...
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