The question is about the phrase "Listening Post at the Hammock" , which is mentioned in paragraph 3 of the article.
The author use this phrase in the paragraph , "Listening post in the hammock". The author is trying to mention that Clara is making conscious effort to understand the message which is hidden in the post.
She clearly listens to the message and tries to encode it, so that she is able to continue with her investigation.
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Answer:
Periodical
Explanation:
Definition of a Periodical: A newspaper or magazine published at regular intervals.
No they aren't proper to use in writing class they are considered slang. It would show your teacher that your not interested in sounding educated and proper.
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