The oceanic crust mainly consists of ______ and ______.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. silica, magnesium.
- The oceanic crust is primarily composed of basaltic rock, characterized by high levels of silica and magnesium.
- This composition gives the oceanic crust its dark color and denser, more mafic (magnesium and iron-rich) properties compared to the continental crust.