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.

Question

Quizplus · Accepted Answer

Physical weathering breaks down rocks into smaller pieces, which creates more surface area for chemical weathering to occur. Fresh surfaces created by physical weathering provide more opportunities for the reactants to interact, speeding up the chemical weathering process.

Why Does Physical Weathering Speed Up the Processes of Chemical