This is worth 30 points will mark you brain list Help me. pleas

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.

Ithink the answer to that would be b):

Answerair masses develop near the equator are warm; tropical air mass

Answerdistinguish between the mercalli scale and the richter scale;