Which two elements make up the greatest percentages by mass in Earth’s crust? (1) oxygen and potassium (2) oxygen and silicon (3) aluminum and potassium (4) aluminum and silicon

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asked Dec 9, 2017 217k views

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Which two elements make up the greatest percentages by mass in Earth’s crust? (1) oxygen and potassium (2) oxygen and silicon (3) aluminum and potassium (4) aluminum and silicon

Biology
high-school

Laurence Gonsalves asked

by Laurence Gonsalves

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I believe that oxygen and silicon are the most common elements found in the Earth's crust.

Tyler Roper answered Dec 12, 2017

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