Then, she played an arrangment of classical music on the piano. a. mis pelled word
b. incorrect verb form
c. misused word
d. missing punctuation
e. incorrect punctuation

the answer is b "spewing black smoke", i took the test and got 100%   hope i

  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.