What Assumptions Are Made in the ArcGIS Hydrologic Modeling Process

Multiple Choice

What assumptions are made in the ArcGIS hydrologic modeling process?

A) All locations on the surface receive the same amount of rainfall and have the same soil characteristics.
B) All locations on the surface receive varying amounts of rainfall that are modeled using the flow accumulation tools.
C) All locations within a watershed have the same distribution of moisture in the soil.
D) Locations within a watershed are permitted to flow to different sources because they receive varying amounts of rainfall.