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Author Question: The three most abundant elements in Earth's crust are A) oxygen, silicon, and aluminum. B) rock, ... (Read 101 times)

armygirl

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The three most abundant elements in Earth's crust are
 
  A) oxygen, silicon, and aluminum. B) rock, water, and tectonics.
  C) magnesium, potassium, and oxygen. D) iron, aluminum, and granite.

Question 2

Of the elements in Earth's crusts, ________ makes up the most of Earth's crust by weight.
 
  A) oxygen (O) B) silicon (Si) C) Aluminum (Al) D) Iron (Fe)



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morganmarie791

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Answer to Question 1

A

Answer to Question 2

A




armygirl

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Reply 2 on: Jul 14, 2018
Gracias!


vickyvicksss

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Reply 3 on: Yesterday
:D TYSM

 

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