Q 01/05
A) New Mexico
B) Texas
C) Arizona
D) Kentucky
Answer · why
It sits in the Guadalupe Mountains in the state's southeastern corner, about 18 miles from the town that gives it its name.
Q 02/05
A) Only on ranger-led guided tours
B) On foot or by elevator
C) By a funicular railway
D) By a rope-and-bucket hoist
Answer · why
The self-guided walk down the switchbacks takes you 750 feet below the surface.
Q 03/05
A) Deepest of its kind in the world
B) Longest passage in the world
C) Largest of its kind in North America
D) Only one with a natural lake
Answer · why
It ranks 32nd largest in the world and is also called the Hall of the Giants.
Q 04/05
A) About 500 feet
B) About 1,000 feet
C) About 12,000 feet
D) Almost 4,000 feet
Answer · why
Its floor covers 357,469 square feet; it is also known as the Hall of the Giants.
Q 05/05
A) Carbonic acid
B) Sulfuric acid
C) Hydrochloric acid
D) Nitric acid
Answer · why
A gas seeping up from oil deposits mixed with oxygen in the groundwater; a tell-tale mineral left in the cave is the by-product.
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