What is the major difference, in terms of weathering type, between Albany, NY and Washington, D.C.? What might explain this difference?

Base your answers to the following questions on the graph below, which shows the effect that average yearly precipitation and temperature have on the type of weathering that will occur in a particular region.

City
Avg. Yearly Temp (oC)
Avg. Yearly Precip (cm)
Albany, NY
9oC
98 cm
Washington, D.C.
15oC
111 cm
Phoenix, AZ
20oC
22 cm

B. K valence electron of K experiences a lower effective nuclear charge the valence electrons of Ca