What is the origin of large craters on earth such as meteor crater in arizona?

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.

The physical processes that create most of earth's physical features, including mountains, are known as

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange