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