Question

groundwater
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which statement best describes a spring?
the top of the saturated zone
an underground layer of rock or sediment that holds groundwater
groundwater flowing naturally to the surface where it is lower than the water table
a vent in earth’s surface that periodically ejects a column of hot water and steam

Explanation:

• The top of the saturated zone is the water table, not a spring.
• An underground layer of rock or sediment that holds groundwater is an aquifer.
• A vent in Earth's surface that periodically ejects a column of hot water and steam is a geyser.
• A spring is groundwater flowing naturally to the surface where it is lower than the water table.

Answer:

groundwater flowing naturally to the surface where it is lower than the water table