There is a neat little function that is available to expand the answer box and then reduce it thereafter. It is located to the bottom right of the answer window represented by an up and a down arrow.
Clicking the down arrow will make the window longer where the up arrow makes the window shorter.
You can't change the font in the WikiAnswers answer box. There is one standard font.
The technical term - is a 'dialogue box'.
You can't. The question box has a fixed font.
You write in the box which says 'Answer this question.....'
You type a question into the box at the top.
Press the x button. :)
Theoretically, WikiAnswers can hold as much data as you can give it. If WikiAnswers starts running out of space they can expand their data centers so that they can hold more questions and answers. That's what the whole site is about after all.
Probably because you haven't told your mail program that WikiAnswers is a trusted site.
By sumbitting this question - you have answered it !
You can find videos that show information about WikiAnswers on YouTube. If you type in WikiAnswers in the YouTube search box, you will most likely find a video that shows about WikiAnswers. WikiAnswers has a YouTube channel, so you can see many other videos related to WikiAnswers, too.
Wikianswers does not provide test answers.
You can but it doesn't come up on your contribution box on the right.