Answer: Merge and Center
Step-by-step explanation:
Merge and Center is an option in the Home Tab that falls under the Alignment ribbon. It's function is to combine multiple cells so that the information written into this new combined cell can be used to input information that the user would like to be on multiple cells such as a column heading.
To use it, Seneca should highlight all the cells she would like to combine and go to the Alignment ribbon and click on Merge and Center.