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.
I believe it is the third choice, there was nothing then a sudden explosion, creating the universe
An area of high diversity is D. Tropical rainforest
A. Larger fish population
the other ones are all all negative and A is the only one that isn’t
Please don’t click on that other person stuff they have been mass sending it to everyone also I believe it’s b) sorry if it’s wrong I just want you to stay safe