Which statement is true about dynamic microphones? A. They need an external power source.
B. They have high sensitivity to surrounding sound.
C. They are effective with amplifiers.
D. They are light and brittle.

Amara created a workbook to track the number of minutes she reads each week. each day, she entered the number of minutes into the workbook. identify the types of data in the workbook using the drop-down menus.

Mariah was working on a multimedia presentation that included both video and audio files. the file was huge, and she wanted to send it to her coworker in another office. she needed to reduce the size of the file so that it could be transmitted faster. the utility she used to do this was

Column a of irma’s spreadsheet contains titles for each row, but her document is too big and will be printed three pages across. she wants to be sure that every page will be understood. what can irma do to with this problem?