Which sentence correctly punctuates a nonessential appositive phrase?
a. leo one of thirteen constellations in the zodiac contains ten stars.
b. leo, one of thirteen constellations in the zodiac, contains ten stars.
c. leo, one of thirteen constellations, in the zodiac contains ten stars.
d. leo one of thirteen constellations in the zodiac, contains ten stars.

in "people in peace, not profit and war" chrisholm uses inductive reasoning for her argument against defense spending by stating that the new administration, like most americans, wanted to invest in social objectives, so they must not want to prioritize defense spending. mr. nixon said "we can delay no longer in launching new approaches to the problem that beset them", but chrisholm points out that the programs were delayed anyways.

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.