The best answer here is Answer C - Tab stops are useful when you want to "align text into columns".
All tab stops do is shift text a fixed amount to the left or right on the line. They are useful for improving the layout of text when you want to align multiple rows.
Answer A is incorrect because rows are vertical and not horizontal. B is also irrelevant because spaces between paragraphs are vertical. Answer D could also be correct because you can use tab stops to indent text aswell, but the more general answer is A. If you can have more than one answer, you could have A and D.
I suggest you to read OpenSSL changelogs to make it more clear. As there's not enough space to describe how it works. But heartbleed resistan version was 1.0.2, as I know.
I don'r know what your trying to use? GIMP is a free photo editing software just upload it to photobucket.
Answer:
A. delete the message without opening it.
Explanation:
Never open emails you don't know who sent it, it could be a hacker trying to get your personal/financial information.