Answer:
because it begins where there is no soil. It can take several hundred to several thousand years to produce fertile soil naturally. The first pioneer species to colonize the bare rock will probably be bacteria and lichens, which can live without the soil.
Most of the jobs rocinha resident do are simple type work where education or higher education is not needed. Favela residents are construction workers, domestics, bus drivers, cashiers, hotel and restaurant workers. The job you get decides on many factors, like education, where you live and your race
