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What is catastrophism?
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Asked 10/15/2010 7:00:24 PM
Updated 2/9/2015 2:57:44 AM
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Flagged by alfred123 [2/9/2015 2:52:42 AM], Edited by Andrew. [2/9/2015 2:57:44 AM]
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User: What is catastrophism?

Question
Asked 10/15/2010 7:00:24 PM
Updated 2/9/2015 2:57:44 AM
1 Answer/Comment
Flagged by alfred123 [2/9/2015 2:52:42 AM], Edited by Andrew. [2/9/2015 2:57:44 AM]
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Catastrophism is the theory that the Earth has been affected in the past by sudden, short-lived, violent events, possibly worldwide in scope.
Added 2/9/2015 2:52:52 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/9/2015 2:56:49 AM]
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Mesozoic era
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Updated 2/6/2015 3:44:43 AM
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The Mesozoic Era is an interval of geological time from about 252 to 66 million years ago.
Added 2/6/2015 3:44:43 AM
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Confirmed by jeifunk [2/6/2015 5:48:15 AM]
The earth's interior heat and pressure drive a process of heat transfer in the mantle called _____.
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Updated 79 days ago|8/1/2018 2:43:41 AM
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The earth's interior heat and pressure drive a process of heat transfer in the mantle called convection.
Added 79 days ago|8/1/2018 2:43:41 AM
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Confirmed by matahari [8/1/2018 2:45:36 AM], matahari [8/1/2018 2:45:37 AM]
What is petrification?
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Updated 2/9/2015 6:43:31 AM
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In geology, petrifaction, petrification or silicification is the process by which organic material is converted into stone by impregnation with silica. It is a rare form of fossilization. Petrified wood is the most well known result of this process, but all organisms from bacteria to vertebrates can be petrified.
Added 10/15/2010 7:18:51 PM
In geology, petrifaction or petrification is the process by which organic material is converted into stone through the replacement of the original material and the filling of the original pore spaces with minerals.
Added 2/9/2015 6:42:40 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [2/9/2015 6:43:19 AM]
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