Respuesta :
Answer: Merge
Explanation:
You would merge the cells at the top of the table to just make a single cell that will be the header.
Answer:
Merge
Explanation:
To make the first row of a table a single header cell means that you need to eliminate the divisions to turn it into one and in order to do this, you have to use the option merge which will combine all the cells in the row.
The other options are not correct because split means dividing one cell into two or more cells and rezise refers to adjusting the size.