The density is going to be approx. 8.385 g/cm3
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
C. be a social contract between citizens and their leaders.
Amount of sunlight, distance from equator, and height above sea level
I believe the answer is Cordilleras
Hope this help, have a great night!