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Author Question: What is a sinkhole? How does it form? How do sinkholes relate to caves? What will be an ideal ... (Read 22 times)

Beheh

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on: Jul 16, 2018
What is a sinkhole? How does it form? How do sinkholes relate to caves?
 
  What will be an ideal response?

Question 2

What is natural recharge? What is artificial recharge?
 
  What will be an ideal response?


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sultansheikh

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Reply #1 on: Jul 16, 2018
Answer to Question 1

A sinkhole is a depression on the Earth's surface caused by the collapse of surface rock and regolith into a large underground cavity. It forms when ground water dissolves the rock, and the unstable roof collapses. It is most common in limestone and evaporites.

Answer to Question 2

Recharge is the addition of water to the saturated zone. Natural recharge occurs when surface water infiltrates the unsaturated zone to reach the saturated zone. Injection of treated wastewater returns water artificially.


Beheh

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Reply 2 on: Jul 16, 2018
Excellent

daiying98

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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