Answered and Unanswered questions on Geophysics can be found at the following URL:
http://wiki.answers.com/Q/FAQ/3457
Go to the WikiAnswers homepage, Click "Browse Categories". Then click Science.
WikiAnswers can be untrustworthy because there are vandals who decide to spam questions, or users who answer questions that they do not know the answers of. However, there are many users on WikiAnswers who are experts on a topic or do research for a question and can be considered trustworthy.
There sure is! Questions and answers on the topic of Architecture can be found by clicking on this link: http://wiki.answers.com/Q/FAQ/4128
WikiAnswers adds new topics on an almost daily basis. As the amount of questions and answers increases related to a specific topic it is added. There are currentlt 5,280 categories on WikiAnswers.
Here is the link to the subcategory called "Currency Conversions":http://wiki.answers.com/Q/FAQ/4206
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To access the questions in the subcategory called "IQ," see the Related Link below.
If a member was spamming questions with irrelevant information, completely off-topic, they can expect to face consequences. However, if the information is somewhat relevant to the question being asked, it is fine.
Some are really nice! In general, most contributors and Supervisors on WikiAnswers are people who genuinely enjoy helping others with answers to their questions. If you ever come across a 'mean' contributor, be sure to report them to a Supervisor or in the appropriate topic within the Community Forum and they will be dealt with accordingly.
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No, not yet. But when there are enough questions on the topic, a subcategory might certainly be opened.
WikiAnswers is not a quiz site. We are a question and answer website.