By defeaut, excel cells are top aligned
a. true
b. false

True

Explanation:

Yes, the given statement is true that the by default the excel cells are basically aligned at the top. We can easily change the alignment horizontally and vertically in the cell.

In the excel we can change the alignment by selecting the particular cell and then, click on the options to select the particular tab to change the alignment of the cell. By default, the excel cell are aligned at the top and and the text are align at the left by default.  

answer; i believe its aptitude;

the omega button is one of them.