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Which light gases were mainly present in Earth's early atmosphere?पृथ्वी के शुरुआती वातावरण में मुख्य रूप से कौन सी हल्की गैसें थीं?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Hydrogen and heliumहाइड्रोजन और हीलियम
The early atmosphere mainly had hydrogen and helium. Exam tip: connect them with the first atmosphere.शुरुआती वातावरण में हल्की गैसें हाइड्रोजन और हीलियम थीं। परीक्षा में इन्हें प्रथम वातावरण से जोड़ें।
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