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Author Question: The three most abundant elements in Earth's crust are A) oxygen, silicon, and aluminum. B) rock, ... (Read 107 times)

armygirl

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on: Jul 14, 2018
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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Reply #1 on: Jul 14, 2018
Answer to Question 1

A

Answer to Question 2

A


armygirl

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Reply 2 on: Jul 14, 2018
Excellent

frankwu0507

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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