प्रारंभिक पृथ्वी में लोहा और निकल क्रोड में क्यों केंद्रित हुए?
Why did iron and nickel become concentrated in the core of early Earth?
Explanation opens after your attempt
A. वे भारी धातुएँ थीं और पिघली अवस्था में भीतर डूब गईंThey were heavy metals and sank inward in the molten state
Concept
Heavy metals moved toward the centre under gravity. Exam tip: connect iron and nickel with the core.
Why this answer is correct
The correct answer is A. वे भारी धातुएँ थीं और पिघली अवस्था में भीतर डूब गईं / They were heavy metals and sank inward in the molten state. Heavy metals moved toward the centre under gravity. Exam tip: connect iron and nickel with the core.
Exam Tip
भारी धातुएँ गुरुत्व के प्रभाव में केंद्र की ओर गईं। परीक्षा में iron nickel को core से जोड़ें।
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