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Author Question: Volcanoes are found at ____________________ plate boundaries and ____________________ plate ... (Read 107 times)

nevelica

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on: Jul 13, 2018
Volcanoes are found at ___________________ _ plate boundaries and ___________________ _ plate boundaries.
 Fill in the blank(s) with correct word

Question 2

A rock sample containing an isotope with a half-life of 12 million years has an initial mass of 72 grams. How much of the daughter isotope will be present after three half-lives?
 A)4.5 grams
 B)9 grams
 C)18 grams
 D)54 grams
 E)63 grams


Danny Ewald

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

divergent, convergentconvergen t, divergent

Answer to Question 2

E


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nevelica

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Reply #2 on: Jul 13, 2018
Correct answers!


Danny Ewald

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Reply #3 on: Jul 13, 2018
Great! Please up vote :D


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