Why are some computer viruses called frozen horses

Which  two  sections of text in these excerpts from virginia woolf's  mrs. dalloway  deal with the motif of water?

Find a newspaper or magazine (either print or digital form), and select one piece of media to evaluate. after reading/viewing the media, describe it, and explain what you believe the purpose and intended audience of the piece may have been. then, label the techniques (images, layout, video, sound, etc.) that were used, and how those techniques interacted to create either an effective or ineffective piece of media. your response should be at least 200 words.

Which two sentences in this excerpt from leo tolstoy's the death of ivan ilyich reflect the author's belief that russia's rising middle class was unable to express genuine emotion?