Me and my table saw your question and think you should try C.
Answer:
in an urban area Migration results in a more dense population
less job availabilities
less housing
easy transportation
I'm rural areas migration can result in
more spacious area
poor transportation
less gorvernment facilities/infrastructure
harder labour
do I need to explain more because I think these are just examples
The first hypothesis proposes that a second migration out of Africa happened about 100,000 years ago, in which anatomically modern humans of African origin conquered the world by completely replacing archaic human populations (Homo sapiens; Model A).
