If it's on a public road... yes it is. You can be charged with being 'drunk in charge'. It's also illegal to ride a cycle on a pavement or a path not specifically designated as a cycle path - regardless of whether you're drunk or not.
It's not illegal to drink salt water but it doesn't taste good at all!!
Yes, throwing a drink on someone without their consent can be considered assault and is illegal.
It is illegal to drink and drive at any age.
No.
No it is not illegal unless the actors are minors.
It is not illegal. However, if you cycle on the expressways, which you should not even be doing as it is dangerous, then it is illegal.
YES
Anything that is unlawful to imbibe.
No
no
yes it is! :)
It is not illegal, but if you plan to drink it, make sure you boil it before you do.