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

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

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2 Answers

John Adney

John Adney

Answered on Jun 19, 2017

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

John Smith

Answered on Jun 19, 2017

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