Please answer both the questions.

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.

Slam, judaism, and christianity have shared historical origins. select the best answer from the choices provided. t f

Which of these has the least impact on the climate of a place