geyser

What are geysers and why are they so hot?

A geyser is really a hole in the ground that is filled with hot water. There is a tube that leads from the surface to underground reservoirs which serve as storage basins for the water. Most of the water comes from rain and snow. Deeper in the Earth the rock is very hot. Gases from these hot rocks, mostly steam, rise through cracks in the rock and reach the underground…

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