no wiki.answers.com is not illegal.
No. There is nothing illegal that is happening here for the site to be illegal.
The site itself is not illegal, but the vast majority of materials it links to are.
There are not many sites that are actually illegal in their own right. However, the site could get a person into trouble if they are part of it and it has illegal activity on it.
It is not illegal, but it does break the site policies.
Yes, if the site is illegal.
This site is offering illegal downloads and does not pay the artist for anything that is sold.
No, it is only illegal to upload videos to the site without copy rite.