Yes you can. Whenever you ask a question as a member it becomes part of your contributions history. An easy way to find it is to sort your contributions by questions asked. Then just find your question and click on it. Then answer it. Everyone can do this, but others can also contribute to your answer after you enter it.
You don't. Answer if you have the facts in hand. If you don't have the facts, don't answer.
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You can't customise Wikianswers.
You can go to piczo.com, but that is really not your own, it's not a .com.
beat .com
yes! make your beat .com
I can and have, many in fact.
The only page that you can have on WikiAnswers is your Bio Page, which you automatically get and can edit at your leisure when you sign up for a WikiAnswers account.
Very awesome!
no
You google in wikianswers.com
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