Strangest Holes on Earth: A Geologist’s Guide
- 1. What type of geological feature is the Giant’s Causeway?
A) Granite cliffs
B) Lava flow
C) Sandstone arches
D) Basalt columns
- 2. What is the name of the hole located in Siberia that was formed by a gas explosion?
A) Kola Superdeep Borehole
B) Vredefort Crater
C) Lake Baikal
D) Batagaika Crater
- 3. Which hole is known for being the deepest hole dug by humans?
A) Mariana Trench
B) Crater Lake
C) Challenger Deep
D) Kola Superdeep Borehole
- 4. What is the name of the large, circular hole in the ocean near the coast of Belize?
A) Sargasso Sea
B) Andaman Sea
C) Great Blue Hole
D) Lake Titicaca
- 5. What is the largest sinkhole in the world, located in China?
A) Xiaozhai Tiankeng
B) Puerto Rico Sinkhole
C) Maya Sinkhole
D) Zhengjiajie
- 6. Where can you find the 'Tunnel of Love', a railway tunnel?
A) France
B) Ukraine
C) Italy
D) Germany
- 7. What strange feature is found in the mineral-rich pools of Pamukkale, Turkey?
A) Volcanic pits
B) Sand dunes
C) Crystal caves
D) Travertine terraces
- 8. What is the observation hole in the Yucatán Peninsula known for?
A) Cenotes
B) Glacial Lakes
C) Coral Reefs
D) Desert Valleys
- 9. Which state in the U.S. features the 'Devil's Kettle', where one side of a waterfall has no visible outlet?
A) Oregon
B) Arizona
C) Minnesota
D) Colorado
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