A and D I think but I’m not sure of A but sure of D
Momma birds hatch an egg and then later the chick comes out of the egg
The currents would travel all the way around the earth parallel to the equator
Centrally, with good access roads. And central to the maybe tri city school districts. So equal distant to the surrounding schools
Layers such as population with an age of less than 25, and or with a population of 20-35 for future athletes being born into.
probably with about 200+ per square mile.
Depending on the area
Not to be gender bias but you could look for higher male than female. Or opposite.
Could profile with race..
and also checking surrounding parks /fields, and other sporting goods stores