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प्रश्न
The deepest mining and the deepest drilling has been done upto ______ and ______.
विकल्प
2 km and 12 km
4 km and 10 km
4 km and 12 km
12 km and 4 km
MCQ
रिक्त स्थान भरें
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उत्तर
The deepest mining and the deepest drilling has been done upto 4 km and 12 km.
Explanation:
Humans have been able to mine up to 4 km deep, while the farthest drilling reached 12 km beneath the Arctic Ocean floor, revealing information about Earth’s interior.
shaalaa.com
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