Certainly! But answer it only if you know the answer to that question. If you don't, it's best to leave it unanswered.
No. Is it safe to be asking that question on WikiAnswers, No. Is there people that give you false information on WikiAnswers, YES!
Yes, WikiAnswers is very safe.
WikiAnswers is a very safe place. Supervisors supervise WikiAnswers to make WikiAnswers as safe as possible for other users. If you find that WikiAnswers is unsafe for you, contact a Supervisor and they will help you.
It is perfectly safe to sign up for WikiAnswers.
Depending on the definition of safe; very, very safe.
yes.
Yes, you can submit a question without an account on WikiAnswers.
Yes, WikiAnswers is a Question and Answer community.
The question you asked is inappropriate for WikiAnswers.
this question
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.
Any time is the best time to ask a question on WikiAnswers.