Made one of the first calculations of the orbit of neptune and predicted where to look to observe it.

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.

There’s no picture or character?

I'm going to say it's 5-6 million

The answer would be c.