What is the thickness of the oceanic crust of the Earth?
A
5 km
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B
8 km
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C
32 km
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D
70 km
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Solution
The correct option is A 5 km The oceanic crust is the component of the Earth’s crust that makes up the ocean basins. The thickness of oceanic crust is just 5 km. Oceanic crust is mainly composed of silicate and magnesium.