Exit what is not a method that has been used to reduce the negative environmental impact of mining?

Which sentence in this excerpt from "in another country " by ernest hemingway is an example of irony?

How should you write a book title in a sentence?

Which of the following is the best description of the main theme of "dust of snow"? a. death is everywhere. b. life is meaningless. c. live for today. d. nature is cruel.