What Weather Conditions Are Most Likely to Foster the Formation

question 34

Multiple Choice

What weather conditions are most likely to foster the formation of sinkholes?

• A) dry weather, because that dehydrates the soil, causing shrinkage and collapse
• B) freezing weather, because freezing water expands, causing stresses that force fractures apart to collapse
• C) dry weather, because that lowers the water table so the cavern roofs are not supported and may collapse
• D) wet weather, because there is ample water to dissolve out caverns
• E) wet weather, because the pressure of water in a cavern causes stress that can weaken and collapse the roof

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Definitions:

Monocline

A geological fold in which all layers are inclined in the same direction, forming a step-like structure in the Earth's strata.

Regional Metamorphism

Metamorphism affecting large areas of the crust, typically as a result of high pressures and temperatures associated with tectonic processes.

Contact Metamorphism

Metamorphism that occurs when rock is heated and chemically altered by the close proximity of magma.

Extension

A geological process in which the Earth's crust is stretched, leading to the formation of faults and rift valleys.