What percentage of oxygen is present in the atmosphere? / वायुमंडल में ऑक्सीजन का कितना प्रतिशत मौजूद है? [SSC CGL 02 December 2022, Shift 1]
Answer
Correct Answer : d ) 21%
Explanation :The Earth's atmosphere is composed of about 21% oxygen.
Nitrogen is the largest component with about 78%, while oxygen is the second most abundant gas in the atmosphere.
It is essential for a variety of biological and chemical processes in living organisms, including respiration and combustion.
Hence, (d) is the correct answer.
पृथ्वी का वायुमंडल लगभग 21% ऑक्सीजन से बना है।
नाइट्रोजन लगभग 78% के साथ सबसे बड़ा घटक है, जबकि ऑक्सीजन वायुमंडल में दूसरी सबसे प्रचुर गैस है।
यह जीवित जीवों में श्वसन और दहन सहित विभिन्न जैविक और रासायनिक प्रक्रियाओं के लिए आवश्यक है।
अतः, (d) सही उत्तर है।
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