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Sinkholes and Caverns Overview: Groundwater

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Sinkholes and Caverns Overview: Groundwater

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Questions and Answers

What is the main cause of sinkholes forming?

Dissolution of soil and sediment by groundwater (correct)

Erosion by wind

Movement of tectonic plates

Volcanic activity

How are sinkholes and caverns related to groundwater?

Groundwater can't cause sinkholes or caverns to form

Groundwater only affects surface water bodies

Sinkholes and caverns are formed due to the presence and movement of groundwater (correct)

Groundwater has no impact on sinkholes or caverns

What is a common characteristic of sinkholes?

They are always filled with natural external drainage

They are always perfectly round in shape

They can vary in size from small dips to large city blocks (correct)

They are found only in areas with no groundwater

Why do most sinkholes form in karst terrain?

The rocks in karst terrain can be naturally dissolved by groundwater Signup and view all the answers

How do sinkholes affect the land they form in?

They can cause property damage and physical harm Signup and view all the answers

Which type of rock is most susceptible to the formation of sinkholes?

Limestone Signup and view all the answers

What is the primary cause of sinkhole formation?

Excessive removal of groundwater Signup and view all the answers

Which type of sinkhole is formed when soil gradually settles into voids in the underlying rock?

Cover subsidence sinkhole Signup and view all the answers

How are solution caves formed?

By groundwater slowly dissolving carbonate and sulfate rocks Signup and view all the answers

Which of the following states is NOT mentioned as being susceptible to sinkholes?

California Signup and view all the answers

Which of the following is the main process by which caves are formed?

Dissolution of rock by groundwater Signup and view all the answers

What is the primary difference between a cave and a cavern?

Caverns contain stalactites and stalagmites, while caves do not Signup and view all the answers

How are stalactites and stalagmites formed in caverns?

They are formed by the precipitation of minerals from dripping water Signup and view all the answers

What is an aquifer?

A body of permeable rock that contains or transmits groundwater Signup and view all the answers

What is the typical temperature inside a cavern?

Around 55°F (13°C) Signup and view all the answers