The deepest hole in the Earth, 'Kola Superdeep Borehole' on Russia's Kola Peninsula, is about _____ feet deep.
Correct answer: D. 40,000
- A. 10,000
- B. 20,000
- C. 30,000
- D. 40,000
Explanation
The Kola Superdeep Borehole reached about 12.3 kilometres, or roughly 40,000 feet, below the surface. It is the deepest artificial point measured vertically into Earth’s crust.
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