Which statements best describe oceanic crust? Select the two correct answers.
A. Its formed at zones of volcanic activity on the ocean floor.
B. It is made of all types of rocks.
C. It contains silicate minerals high in iron and magnesium.
D. It is between 25 and 70 km thick.
E. Its age ranges from very young to more than 4 billion years old.
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Home » Chemistry » Which statements best describe oceanic crust? Select the two correct answers. A. Its formed at zones of volcanic activity on the ocean floor. B. It is made of all types of rocks. C. It contains silicate minerals high in iron and magnesium. D.