Marilyn needs exporting her spreadsheet as a few different types of files. she needs to know exactly how her file should be prepared in order to build the new file types as best as possible. however, she cannot remember the names or extensions of the file types, and she does not have internet access at the moment. therefore, she would like to browse through topics rather than entering search terms on the web.

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct