The visible imprint of human activity and culture on the landscape.
I believe it is the Congo/the Congo is what holds most of the worlds rain forests
Humans affect the biosphere in multiple different ways, like for one a negative impact humans take on the biosphere is industrialization. as well as things like pollution.
humans affect the pedosphere by pollution as well, other ways humans affect the pedosphere is by releasing compounds at ground level. which poses a threat to breathing problems and can affect plants growth