Question and answer
43. Convection is the movement of materials due to differences in their density. A. True B. False
Convection is the movement of materials due to differences in their density. TRUE.
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Asked 4/7/2013 5:51:54 PM
Updated 11/18/2015 4:56:41 AM
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Convection is the movement of materials due to differences in their density. TRUE.
Added 11/18/2015 4:56:41 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/18/2015 4:57:03 AM], Rated good by jeifunk
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Questions asked by the same visitor
12. Ancient rock cores around which the continents are formed are known as ________. A. supercontinents B. shields C. cratons D. tectonic plates
Question
Updated 4/12/2015 2:25:18 PM
1 Answer/Comment

Ancient rock cores around which the continents are formed are known as CRATONS.

Added 4/12/2015 2:25:18 PM
This answer has been confirmed as correct and helpful.
48. Movement of tectonic plates can lead to alternations of climates and species. A. True B. False
Question
Updated 8/29/2014 1:22:18 AM
1 Answer/Comment
Movement of tectonic plates can lead to alternations of climates and species is true.
Added 8/29/2014 1:22:18 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/29/2014 1:26:34 AM], Rated good by jeifunk
46. Index fossils allow us to age rock layers. A. True B. False
Question
Updated 10/27/2017 12:38:22 PM
1 Answer/Comment

Index fossils allow us to age rock layers. TRUE.

Added 10/27/2017 12:38:22 PM
This answer has been confirmed as correct and helpful.
53. One varve equals one coarse summer layer and one fine winter layer. A. True B. False
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Not Answered
Updated 1/20/2018 4:00:18 PM
1 Answer/Comment
One varve equals one coarse summer layer and one fine winter layer. TRUE.
Added 1/20/2018 4:00:18 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/21/2018 8:24:47 AM]
55. Radioactive elements are used to determine absolute age. A. True B. False
Question
Updated 3/10/2016 10:37:11 PM
1 Answer/Comment
Radioactive elements are used to determine absolute age. TRUE.
Added 3/10/2016 10:37:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [3/10/2016 11:30:30 PM]
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