Answer:
Runoff is water from precipitation that along with the ground level to water bodies while infiltration is water that seeps through into the soil and could possibly become groundwater.
Step-by-step explanation:
Normally, where there are more cities and capitals and fewer trees, there would be more runoff and flooding would happen more frequently. In the countryside, there would be more trees and roots that would absorb the water from the soil and thus there would be more infiltration.