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Author Question: Why was Lord Kelvin's argument for the age of Earth fundamentally in ... (Read 139 times)

corkyiscool3328

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on: Jul 13, 2018
Why was Lord Kelvin's argument for the age of Earth fundamentally in error?

Question 2

Permafrost lies beneath ____ percent of the land surface on Earth.
 A)0
 B)10
 C)20
 D)40
 E)50


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otokexnaru

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Reply #1 on: Jul 13, 2018
Answer to Question 1

Lord Kelvin assumed that Earth cooled from a molten state, and he did not know about Earth's internal heat source - radioactivity.

Answer to Question 2

C


corkyiscool3328

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Reply #2 on: Jul 13, 2018
Thank you


otokexnaru

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Reply #3 on: Jul 13, 2018
No problemo


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