What geologic process is responsible for warming the water at nonvolcanic locations such as Hot Springs National Park, Arkansas, and Warm Springs, Georgia?
A) Radioactive minerals near the surface
B) Friction from moving rocks
C) Abnormal volumes of rain
D) Normal geothermal gradient as groundwater circulates at depth
Question 2
What is the source of much of water in geothermal features such as geysers and hot springs?
A) Precipitation
B) Water vapor from magma
C) Melting glaciers
D) Subterranean lakes
Lake position in the landscape and proportion of water received as groundwater (data from Webster et
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A typical purified water system
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Planet Earth compared to all its water and air!