Physics

29 December, 07:40

Which statements describe oceanic crust? select the two correct answers. a. it is between 25 and 70 km thick. b. its age ranges from very young to more than 4 billion years old. c. it is formed at zones of volcanic activity on the ocean floor. d. it contains silicate minerals high in iron and magnesium. e. it is made of all types of rocks.

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