Geographers generally reject environmental determinism for possibilism, why

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Which of the following best summarizes the point of agreement?

Which country in the video has the highest population growth rate?