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Author Question: Just eight natural elements make up over 98 of the Earth's crust by weight. Indicate whether the ... (Read 105 times)

bucstennis@aim.com

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Just eight natural elements make up over 98 of the Earth's crust by weight.
 
  Indicate whether the statement is true or false

Question 2

The upper mantle is rigid, whereas the aesthenosphere is plastic-like.
 
  Indicate whether the statement is true or false



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bdobbins

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Answer to Question 1

TRUE

Answer to Question 2

TRUE





 

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