Final answer:
To select noncontiguous rows, you click the header of the first row, press and hold Ctrl, and click the header of each additional row.
Step-by-step explanation:
To select noncontiguous rows, you click the header of the first row, press and hold Ctrl, and click the header of each additional row. This allows you to select multiple rows that are not next to each other. By holding the Ctrl key, you can individually select each row you want to include in your selection.