So, a question for a culture project I'm doing. Does anyone know the DDLG culture and could you legit help me understand some of the parts of it?

Ascientist 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.