Ateam of geologists is surveying glaciers on a mountain. they come across a newly formed stream. the stream is flowing at an average rate of 420 cubic meters per minute.

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.

What is the famous rainforest in costa rica called?

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