Question

a scientist is observing surface groundwater features to determine sources of groundwater. which is one surface feature that the scientist can observe and map?
spring
saturated zone
aquifer
water table

Explanation:

A spring is a visible surface feature where groundwater flows out onto the land surface, so it can be directly observed and mapped. The saturated zone, aquifer, and water table are all subsurface groundwater features that cannot be directly seen or mapped from the surface.

Answer:

spring