Question

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Continental crust is less dense than oceanic crust because it contains less:


Question 5 options:


Silicon



Oxygen



Aluminum



Iron

Answer 1

Iron

Step-by-step explanation:

The continental crust is less dense than oceanic crust because it contains less amount of iron.

The continental crust is predominantly rich in alumino-silicates.

• Although compared to oceanic crust, the continental crust is thicker.
• The oceanic crust is made up of iron and magnesium rich minerals.
• They are called mafic minerals.
• These minerals are much denser than the alumino-silicates.