40.4k views
5 votes
Which of the following abbreviations requires the use of one or more periods?

A. Mr
B. NASCAR
C. NASA​

User Herskinduk
by
6.8k points

1 Answer

4 votes
A. Mr.

Because you need at least one period after it. The others typically do not include periods for their abbreviations.
User Bart Whiteley
by
6.9k points