Which statements describe oceanic crust? Select the two correct answers

The oceanic crust is usually about 5-10 km thick and is comprised of rocks that are basaltic in nature. These rocks are primarily made of minerals such as iron (Mg) and magnesium (Mg) and a comparatively lesser amount of silicate materials.

Explanation:

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the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

to this one it would be receptive field