What Is the Main Difference Between Collapse Sinkholes and Solutional

question 18

Multiple Choice

What is the main difference between collapse sinkholes and solutional sinkholes?

• A) Collapse sinkholes create a subsidence in the ground whereas solutional sinkholes have no effect on the land surface.
• B) Solutional sinkholes form faster than collapse sinkholes.
• C) Collapse sinkholes involve the surface rock and soil falling into an underground cave whereas solutional sinkholes form by downward dissolution from the bedrock surface.
• D) Solutional sinkholes are found more often in arid regions than collapse sinkholes.
• E) Solutional sinkholes are more beneficial to a location than collapse sinkholes.

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Definitions:

Playa

A flat-bottomed desert basin that temporarily becomes a shallow lake after rainfall.

Alluvial Fan

A conical-shaped deposit of sediment, typically found at the base of mountain ranges, created as flowing water loses energy and drops its load of solids.

Desert Wash

Dry streambeds in desert environments that temporarily fill with water during rainstorms.

Playa

A flat-bottomed desert basin that temporarily becomes a lake after heavy rain but reverts to a dry lakebed as the water evaporates.