28-11-2018
Chemistry

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What is the second most abundant element in earths crust?
A. Magma
B. Oxygen
C. Silicon
D. Carbon

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potatonite potatonite

28-11-2018

C. Silicon

EXPLANATION

Silicon is the second most common element present in the crust with an abundance of 276,900 ppm or equivalent to 27.7%. The most abundant element is oxygen with 46.6%.

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