¿Cuántas rectas distintas pueden pasar por un punto?

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.

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

Political boundaries are determined by the political party in control at the time. true or false