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Author Question: What are the eight chemical elements that make up over 99 of Earth's crust? What will be an ideal ... (Read 74 times)

Ebrown

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on: Jul 15, 2018
What are the eight chemical elements that make up over 99 of Earth's crust? What will be an ideal response?

Question 2

What is the most common mineral group, and what are three common examples? What will be an ideal response?


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C.mcnichol98

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Reply #1 on: Jul 15, 2018
Answer to Question 1

O, Si, Al, Fe, Mg, Ca, Na, and K.

Answer to Question 2

Silicates: quartz, feldspar, olivine.


Ebrown

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Reply 2 on: Jul 15, 2018
YES! Correct, THANKS for helping me on my review

bassamabas

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Reply 3 on: Yesterday
Wow, this really help

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