A ________ is similar to a geyser except that it erupts no liquid water; it sends out only steam.
A) hot spring
B) fumarole
C) geyser
D) sinter
E) travertine
Question 2
The presence of a hot spring on the surface means ________.
A) a volcano will soon erupt
B) underground water is virtually absent
C) heated rocks or magma are underneath
D) a volcano will erupt within 1,000 years
E) the end of Earth is drawing near