Yes, a text file with a .txt extension can be read by Linux/Unix/Mac as they are ASCII unformatted.
The naming scheme that identifies the rows in a worksheet is B. 1, 2, 3.
Rows are horizontal, and they are identified by numbers in an Excel worksheet. On the other hand, columns are vertical, and they are identified by letters in the same Excel worksheet.
Answer:
<h2>
C</h2>
Explanation:
highlight test scores of below 90% in a grade book.