Unfortunately not
Yes, you can submit a question without an account on WikiAnswers.
Yes, you can.
If you are an anonymous contributor at wikianswers, you participate in wikianswers but without a wikianswers account.
Anti-Contributing to WikiAnswersTo add an alternate to a question without counting it as a contribution point, then ask a question on WikiAnswers. Before you officially submit the question, you can edit it. After you edit and submit it, your pre-edited question will be one of its alternates.
Try answering the question after the joke.
There are over 20 million questions on WikiAnswers. Without doing the math, it is extremely unlikely.
Yes, unregistered users can answer questions on WikiAnswers but only registered users are able to edit answers.
There can be several reasons for that. Some people may answer carelessly, or sometimes the question is not quite clear.
Only this website
Even attempting to get this information without the permission of your husband is illegal. Attempting to get illegal "how-to" information on WikiAnswers is a violation of Wikianswers Terms of Use and rules.
No. If you are asking about the "code" that must be entered to answer a question without being a logged-in member, that is to protect wikianswers from attacks by spambots. Before it was implemented there were a hundred or more "answers" every day that had to be deleted because they were links to dangerous websites.
Because Wikianswers uses the question title in the hyperlink to that question, it needs to remain short and succinct, without using certain non-alphabetic characters. If a question needs further information, the question asker can use the Discuss feature and add it there.