The diagram below, called a cladogram, shows a proposed evolutionary relationship among animals. According to the cladogram, what four characteristics separate a trout from a rat? Based on this cladogram which animal is most closely related to the hagfish?

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass