Students placed their eggs in vinegar, a mild acid. the egg shells disappeared overnight. based on the passages description of what happened, we could infer that this is a reaction. a) chemical b) physical c) dissolving eliminate d) phase change

b ti isnfornopgnoernfrof

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides