A .  throws water and steam at regular intervals
B .  throws water continuously
C .  throws only steam
D .  throws water intermittently
Answer: Option A Answer: (a) A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase (steam). The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, “to gush”, the verb itself from Old Norse.
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