Select a that apply. a column of air in a tube is vibrating at its fundamental frequency of 150 hz. which of the following frequencies could also exist in the tube as harmonics? 75 hz 225 hz 300 hz 450 hz

did you fail the test? xd

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.