What is the meaning of a dangling participle?

They always say that juvenile delinquency is a problem. a.)them b.)everyone c.)a noun

Read this example: original work - a novel about a man's struggles to returnhome to his family after spending the past ten yearsfighting in a war.which work would represent a change to the artistic medium of this originalwork? a. a story written about the man's adventures since the warb. a novel that translates the story into another language.c. a painting of the man wishing he was home with his familyd. a book written about the war the man was fighting

Ais a group of individuals of the same that exist in the same place at the same time