Not quite... federal law is federal law and is in addition to state law, except where there is a state and federal law that are virtually identical, in which case the federal law may "supersede" the...
Actually, you're not supposed to litter. Law pertaining to littering are usually local ordinances. There are no federal regulations about littering aimed at individuals (although there are some aimed...
It can depend. One might say that Federal Law is supreme because it is applicable in all 50 states and all territories of the US. Whereas, state law is applicable only within the borders of that...
No, federal law supersedes state laws. Federal law is superseded by the US Constitution.Not in all cases. State law is certainly superceded by the US Constitution (that is, the Constitution is the...