What does the idiom 'opened a can of worms' mean?

When greg came home for lunch, he realized that his air conditioner was broken. fragment, run on or complete sentence?

Dream variations by langston hughes analysisand “the tropics in new york” by claude mckay both depict a longing for another place. what are the places and what do they represent?

Create a purpose statement based on the graphic organizer in "section ii: finding the main point."