Question

which of the following is formed when an unconfined, or freely flowing, aquifer intersects the earths surface? a desert a spring a sinkhole a valley

Explanation:

When an unconfined aquifer intersects the Earth's surface, water can flow out naturally, forming a spring. Deserts are dry - land areas, sinkholes are formed by collapse of surface layers, and valleys are formed by erosion or tectonic activity, none of which are formed by aquifer - surface intersection in this context.

Answer:

B. a spring