प्रारंभिक पृथ्वी पर स्थायी महासागर कब संभव हुए?
When did permanent oceans become possible on early Earth?
Explanation opens after your attempt
D. जब सतह पर्याप्त ठंडी हो गईWhen the surface became sufficiently cool
Concept
When the surface cooled rainwater accumulated to form oceans. Exam tip: remember cool surface for permanent water.
Why this answer is correct
The correct answer is D. जब सतह पर्याप्त ठंडी हो गई / When the surface became sufficiently cool. When the surface cooled rainwater accumulated to form oceans. Exam tip: remember cool surface for permanent water.
Exam Tip
सतह ठंडी होने पर वर्षा का जल जमा होकर महासागर बना। परीक्षा में स्थायी जल के लिए ठंडी सतह याद रखें।
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