⛲️ पृथ्वी के क्रस्ट के प्रमुख संघटक तत्व
💧 एलुमिनियम - 8%
💧 कल्शियम - 4%
💧 ऑक्सीजन - 47%
💧 सिलिकॉन - 28%
💧 पोटैशियम - 2%
💧 अन्य - 1%
💧 आयरन - 5%
💧 सोडियम - 3%
💧 मग्नीशियम - 2%
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