प्रारंभिक पृथ्वी पर ठोस पर्पटी बनने के बावजूद सतह अस्थिर क्यों रही?
Why did the surface remain unstable even after a solid crust formed on early Earth?
Explanation opens after your attempt
A. क्योंकि आंतरिक ऊष्मा और ज्वालामुखीय क्रियाएँ जारी थींBecause internal heat and volcanic activity continued
Concept
The outer crust formed but the interior was still hot. Exam tip: distinguish surface conditions from interior conditions.
Why this answer is correct
The correct answer is A. क्योंकि आंतरिक ऊष्मा और ज्वालामुखीय क्रियाएँ जारी थीं / Because internal heat and volcanic activity continued. The outer crust formed but the interior was still hot. Exam tip: distinguish surface conditions from interior conditions.
Exam Tip
बाहरी पर्पटी बनी लेकिन अंदरूनी भाग अभी गर्म था। परीक्षा में सतह और आंतरिक भाग की दशाओं को अलग समझें।
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