Promoted questions are questions chosen by the WikiAnswers team to be promoted. This list is different than the Featured Questions list.
You can look in My Contributions to the left in the blue toolbar. It will show you every contribution you have made to WikiAnswers since you registered. From there, you can visit each question that you answered by promoting yourself or your business or service and remove that information. If you promoted by using links on questions, you can also remove those.
Yes, you can submit a question without an account on WikiAnswers.
probably because of how hard the question is
Yes, WikiAnswers is a Question and Answer community.
The question you asked is inappropriate for WikiAnswers.
this question
Any time is the best time to ask a question on WikiAnswers.
You can't answer answers on WikiAnswers, or anywhere for that matter, unless there is a question in the answer, where it would be classified as a question.
The maximum question length on WikiAnswers is 200 characters, including spaces.
It doesn't matter what computer you are on when you are on WikiAnswers - you cannot make asked questions go away on WikiAnswers. The question you asked will stay permanently on WikiAnswers, and can only be removed by a Supervisor. If your question is innapropriate, does not have enough info to answer, etc., it will be removed from WikiAnswers. However, if it is a legitimate question, it will not be removed from WikiAnswers. Contact a Supervisor if you wish to have a question removed.
Wikianswers is a public community. Anyone can ask questions and anyone can answer them. If you have any question you can post it in wikianswers and someone who knows the answer to your question would respond.
somebody will answer your question if they know the answer to your question.