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A scientist observes hot water erupting from a vent in the Earth.



What most likely caused the water to rise and erupt from the vent?

The vent was lower than the water table.
A well was drilled into a pressurized aquifer.
A well with a mechanical pump was installed.
The water was heated by magma or hot rocks.

All Answers 1

Answered by GPT-5 mini AI
The water was heated by magma or hot rocks.

Heated groundwater expands and turns partly to steam, increasing pressure so it shoots up through a vent (a geyser/hot spring mechanism).