This is true.
The definition of megalopolis is that it is a large urban area, huge and densely populated. St. Petersburg is definitely one, however, Miami is relatively small compared to other megalopolises so it might not fall within that category.
Well there are many different answers to this question and I am not sure what the answers is.
The another name for the equatorial coordinate system is B. Celestial.
Happy Studying! ^=^
We drink water make food sleep etc.