पृथ्वी की बाहरी सतह के जमने से सबसे पहले किस संरचना का विकास हुआ?
Which structure first developed when Earth's outer surface solidified?
Explanation opens after your attempt
D. पर्पटीCrust
Concept
The crust formed when the outer surface solidified. Exam tip: treat crust as a direct result of cooling.
Why this answer is correct
The correct answer is D. पर्पटी / Crust. The crust formed when the outer surface solidified. Exam tip: treat crust as a direct result of cooling.
Exam Tip
बाहरी सतह जमने पर पर्पटी बनी। परीक्षा में पर्पटी को ठंडा होने का प्रत्यक्ष परिणाम मानें।
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