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17-12-2020
Biology

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Silicon dioxide (SiO2) and aluminum oxide (Al2O3) are the two most abundant compounds in the _______.
A.
universe
B.
Earth's oceans
C.
Earth's atmosphere
D.
Earth's crust

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18-12-2020

Answer:

Eath's crust

Explanation:

Silicon dioxide (SiO2) and aluminum oxide (Al2O3) are the two most abundant compounds in the Earth's crust. This explains why oxygen, silicon, and aluminum are the three most abundant elements in the crust.

The most abundant compound in the universe is water.

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