Almost 50% of the Earths crust is composed of what element? - ProProfs Discuss
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Almost 50% of the Earths crust is composed of what element?



A. Helium
B. Vanadium
C. Potassium
D. Oxygen

This question is part of Test Your IQ On Chemistry
Asked by Orion thames, Last updated: May 18, 2020

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2 Answers

John Adney

John Adney

Answered Jun 19, 2017

The amount of oxygen is about 20 percent then why 50 percent
 

John Smith

John Smith

Answered Jun 19, 2017

Oxygen
 

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