Which of the Following Best Describes How Geysers Erupt

question 109

Multiple Choice

Which of the following best describes how geysers erupt?

• A)Water suddenly boils in disconnected voids and cracks above the water table, causing the aquifer to explosively fragment.
• B)All of the water in the geyser chamber slowly heats until it reaches the boiling point, whereupon it starts erupting until it boils dry.
• C)Water below the water table slowly boils causing a plume of condensed water vapour in a vertical crack or natural conduit to rise above the vent.
• D)Expansion from heating forces some warm water out the top of the geyser system; with this reduction in pressure, superheated water in a saturated, natural conduit suddenly boils, sending a plume of steam and hot water into the air above the vent.

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