Question

In which sentence is the dash used correctly? Alisa dove behind a dune—and Suzanne covered her head with a jacket. They were trapped—on an island far from the mainland. The day had been warm—however, the rain that lashed their faces was cold. A giant waterspout erupted from the ocean—Min just stood there and took photos.

Answer 1

The em dash can be used in place of a colon when you want to emphasize the conclusion of your sentence. It is used correctly in the last sentence.