How does Cerberus speak?

When someone says they have opened Pandora's box what does that mean and what does it refer to? Who beheaded Medusa in greek mythology? What were hades responsibilities? How has the battle with the suitors taken on epic proportions? Why were the Aztec feared by their neighbors? What did the friezes that adorned ancient Greek temples often depicted? Who told Penelope that Odysseus was coming back? Athena's personality traits? Different types of communications during the ancient times? What nationality did the last name asencio come from? Who are the rivals the of Greek gods? Why did Odysseus and his men return to house of Circe? The developments in the cotton and iron industries made France the leading industrial country until the end of the nineteenth century? Why do you think the Greeks built their cities around a high acropolis? Current allusions to Atalanta the Greek Goddess? Which of these should you do to keep track of your progess on completing your activities? Why did Cleopatra commit suisir? Were the Incas benevolent rulers or cruel conquerors? Whose fault the Peloponnesian War? Where did Hippolyta come from?