Geography

Sophia Foley

13 September, 13:20

Groundwater in underground, constricted fractures is heated past its normal boiling temperature by surrounding hot rocks. The superhot liquid expands in volume; this reduces its confining pressure, and it flashes into steam. This is an explanation of which geologic feature?

Choose one:

A. a geyser

B. a hot spring

C. a mud pot

D. an artesian spring