Internal Structure of Earth | Physical Geography | UPSC Prelims 2024 Crash Course

पृथ्वी का निर्माण आयरन (32.1 फीसदी), ऑक्सीजन (30.1 फीसदी), सिलिकॉन (15.1 फीसदी), मैग्नीशियम (13.9 फीसदी), सल्फर (2.9 फीसदी), निकिल (1.8 फीसदी), कैलसियम (1.5 फीसदी) और अलम्युनियम (1.4 फीसदी) से हुआ है। इसके अतिरिक्त लगभग 1.2 फीसदी अन्य तत्वों का भी योगदान है। क्रोड का निर्माण लगभग 88.8 फीसदी आयरन से हुआ है।
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00:00-1:18 Introduction of Topic
1:18 - 2:20 - Crust
2:20 - 4:30 - Continental and Oceanic crust
4:30-6:00 - Mantle and Magma
06:00 -7:50 - Asthenosphere and lava
07:50 - Lithosphere
9:04 - Core
9:33 - Inner Core and Outer Core
12:50 - Why lava is liquid
13:40 - Note Making for UPSC
16:00 - Geo-Magnetism
15:46- APOORVA23
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