What is the second paragraph mainly about?
A Computer scientists from the University of Pennsylvania who designed a computer model for research on social networks
B Why some researchers prefer to conduct networking experiments with computer models instead of human subjects
C How Kearns' method for research on social networking differs from previous research on social networking
D The leading scholars in the research on the connections between social networks and human behavior

Multiple ! in this excerpt from act i, scene vi, of macbeth, duncan praises the atmosphere in the castle and the hospitality of his hostess. identify two reasons that these comments are ironic. duncan: this castle hath a pleasant seat: the air nimbly and sweetly recommends itself unto our gentle sense. . . (enter lady macbeth.) duncan: see, see, our honour'd hostess! — the love that follows us sometime is our trouble, which still we as love. herein i teach you how you shall bid god ild us for your pains, and us for your trouble. he will meet his death in the castle, which he considers a pleasant place. his praise for inverness and his hostess, lady macbeth, is deceptive. duncan secretly plans to give macbeth's title to donalbain. the hostess he praises is actually plotting his murder.

Why witchcraft often the explanation for illness

In hard times by charles dickens, the scene in which the characters discuss the depiction of horses on wallpaper and flowers on carpets is the author’s way of showing the absurdity of