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 atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.