Respuesta :
c. When available land is limited
When the land is limited, people stop building outwards, they build upwards and make tall skyscrapers and tall buildings because there isn't any other place they can expand to.
Hope this helps :)
When the land is limited, people stop building outwards, they build upwards and make tall skyscrapers and tall buildings because there isn't any other place they can expand to.
Hope this helps :)