Question 1
Hot springs are most numerous in which region of the United States?
◦ Northeast
◦ West
◦ Southeast
◦ Midwest
Question 2
Which of the following best describes how geysers erupt?
◦ Water suddenly boils in disconnected voids and cracks above the water table, causing the aquifer to explosively fragment.
◦ Water slowly boils in a network of vertical cracks above the water table, sending up a plume of steam and hot water.
◦ With a slight reduction in pressure, water in a saturated, natural conduit suddenly boils, sending a plume of steam and hot water into the air above the vent.
◦ Water below the water table slowly boils in a vertical crack or natural conduit, causing a plume of condensed water vapor to rise above the vent.
