Louisiana
Louisiana
St.Louis
I'm guessing the St. Louis Arch
Louisiana
china
The North and South Poles.
none. all do at some point.
Yazoo City is the only city in Mississippi that starts with Y.
The Nevada 'city' with the largest population starting with O is Owyhee; population 1,017. It may not qualify as a city, but all other places in Nevada starting with O are smaller.
both measure temperature and are based on a starting point and all have a common point(0)
No because their not all at sea level.