The central part of the Earth below the mantle

What are the two main purposes of edgar allen poe’s, “the masque of the red death? ”

Host danny boyle used a line from what shakespearean play to welcome the athletes and fans arriving in london for the 2012 olympics?

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy