Apaleontologist has recovered a bit of organic material from the 400-year-old preserved skin of an extinct dodo. she would like to compare dna from the sample with dna from living birds. the most useful method for initially increasing the amount of dodo dna available for testing is

Polymerase Chain Reaction (PCR)

Explanation:

Polymerase Chain Reaction is a method commonly used to increase or amplify the amount of DNA available in a sample or segment to use it in studies or analyses that require a fair amount of available DNA.

the answer is c a tornado

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.