If the material is not protected by copyright (e.g., it is in the public domain, or is a work of the federal government), it is legal to download.
Yes it is illegal as you are downloading copyrighted material
Downloading with Limewire or ANY other p2p software is not illegal. Its illegal to download Copyrighted material.
Downloading copy right material is illegal. Mediafire itself isn't really illegal.
Depends on the songs. It's not the downloading as such that's illegal, it's if you're downloading copyrighted material. Not copyrighted material can be downloaded as much as you like.
foodnetwork.com
Yes. Receiving copyrighted material and not paying for it is illegal. If you were to download from Pirate Bay, it would be illegal.
Downloading copyrighted material without paying a fee is illegal, whether you share them or not. Will you get in trouble? Can't say.
Downloading is not illegal. What may be illegal is downloading content that you do not have a legal right to use or possess.
If the material is not protected by copyright (e.g., it is in the public domain, or is a work of the federal government), it is legal to download.
According to the rules for Youtube you are not supposed to post copyright material on the site. So theorietically there should be no problem with downloading from youtube; however sometimes people do illegally post copyright material. Therefore you need to be careful in downloading from Youtube.
Downloading songs is not illegal. However downloading songs that you have not purchased a license to download is.
Only if what you're downloading/sharing is NOT copyrighted. If you download any copyrighted material, it's illegal.