(HELP PLEASE 50 POINTS) Erwin Chargaff was interested in the work of Avery and did additional research on the structure of DNA. One set of results from his experiments is shown in the data table. Use the information to answer the questions.

American scientist, linus pauling, was one of many scientists racing to discover the molecular structure of dna. pauling initially thought that the molecule was a triple helix. later, james watson and francis crick unveiled their double helix model, which turned out to be an accurate description of the molecule's shape. why did watson and crick succeed when pauling failed?