No. Minnesota does not. Other states have only a state dog or state horse or some specific type of animal. See the related link for more information.
No. Not Alaska or Arkansas!
Yes. all 50 of the states in the US have a state motto. The District of Columbia and the three US territories also have mottos.
Yes.
Except for California Street and Ohio Drive, all the states have avenues named after them. There is also a Columbia Street for the District.