The pine trees shuddered in the snow
Answer: a tool to help find the periodicals that contain articles on a particular subject.
A periodical index is a tool that contains the subject, author and keywords of a particular list of periodicals. This tool helps you find articles about specific topics. The way to look through an index is similar to that of looking for items in a library catalog.
no culture is the same, they are all unique in their own way
You forgot to put the topic................. there is no topic
