To describe rocks, geologists observe mineral (blank) color and (blank)

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.

Most of earths fresh surface water is found in

Why are shark population in decline worldwide?