In cats, long hair is completely dominant to short hair. Jack the cat, his mother, and his sister are all short- haired cats. With just this information is it possible to know if Jack's dad is a short hair or long hair cat? Why
or why not?

his dads hair is short.

if long hair is completely dominant then Jack's hair would be long if his dads hair was long.

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.