If it is copyrighted, then yes. Created by someone that has not copyrighted their material, then no.
Yes; notification is not required for protection.
Yes; notification is not required for protection.
Yes; notification is not required for protection.
You just did! The design of this webpage is copyrighted and the words you are reading at this moment are copyrighted. However, you have a LICENSE to download them. If you do NOT have a license or other lawful excuse to download copyrighted material, then it would be illegal to do it.
Generally when public domain material is reissued, a copyright will be registered for any new material, such as annotation, compilation, etc.
Same way you'd sell anything else on the street.Newsstands are one example of a business selling "copyrighted material" (i.e. newspapers and magazines) "on the street."Note that if you're copying copyrighted material and selling it on the street, you're breaking the law.
Only if what you're downloading/sharing is NOT copyrighted. If you download any copyrighted material, it's illegal.
There are dozens of websites hosting lyrics of copyrighted material. Occasionally one will be taken down for copyright violations, but there are many more to fill the void.
You dont. The burden is on the user.
With a license, yes.
yes