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mel-nik [20]
3 years ago
6

Which statements describe continental crust? Select the three correct answers.

Biology
2 answers:
sweet-ann [11.9K]3 years ago
5 0

the answer is

B. It is between 25 and 70 km thick

E. It contains silicate minerals high sodium, potassium, aluminum, and calcium

C. Its made of all types of rocks

brain. plzzz

likoan [24]3 years ago
5 0

Answer:

The correct answers are options B. "It is between 25 and 70 km thick", C. "It is made of all types of rocks" and E. "It contains silicate minerals high in sodium, potassium, aluminum, and calcium".

Explanation:

In Geology, the continental crust is defined as the layer of the Earth that allowed the formation of the continents. This layer is made of all types of rocks, including igneous, metamorphic, and sedimentary rocks. This layer is also considered silica-rich, or felsic, because of its high content of silicate minerals. Regarding the thickness of continental crust, it is between 25 to 70 km thick. This is considerable thick considering that oceanic crust which barely reaches 10 km thick.

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