5) Why are eruptions of mafic magma rather quiet, whereas those of felsic magma are commonly explosive?

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

lipid

explanation:

i wish i could with all of them i can barley see the first one so here's the answer to the first one b

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.