'X' is a vent in Earth's surface that periodically ejects a column of hot water and steam. The formation of it is a rare phenomenon because it is due to particular hydrogeological conditions which exists at few places on Earth. Taupo volcanic zone in New Zealand is one of its examples. Identify 'X'.

'X' is a vent in Earth's surface that periodically ejects a column of

1.	'X' is a vent in Earth's surface that periodically ejects a column of hot water and steam. The formation of it is a rare phenomenon because it is due to particular hydrogeological conditions which exists at few places on Earth. Taupo volcanic zone in New Zealand is one of its examples. Identify 'X'.
A.	Geyser
B.	Aquifer
C.	Uluru
D.	Spring
Answer» B. Aquifer