When you are researching a topic, a particularly useful tool is ...

[berenicecastro]

When you are researching a topic, a particularly useful tool is the keyword. Which of the
  following explains what that is?
 
  a. The exact call numbers and letters that enable you to find the document in a library; or
  the full web address (URL) that enables you to find it on the World Wide Web.
  b. A tool you can use when searching for books by subject matter, author, or title in the
  library.
  c. The author of the information, the title of the information, its date and place of
  publication, the name of the publisher or periodical in which it occurs, and other such
  information.
  d. A word or phrase that occurs in the title of a book which can help you find other books
  on the same subject.

Question 2

Which of the following explains the essential difference between periodicals such as
  magazines, journals, and newspapers?
 
  a. Periodical is the general name for things like magazines, journals, and newspapers that
  are issued periodically, for example, every week or every month.
  b. Journal is the general name for publications like magazines and newspapers that are
  issued periodically, for example, every week or every month.
  c. Periodical is the name of the various library tools you use to find information in
  magazines, journals, and newspapers.

[ktidd]

Answer to Question 1

B

Answer to Question 2

A

[berenicecastro]

TYSM

[Chelseyj.hasty]

Gracias!