पृथ्वी का प्रारंभिक वातावरण आज के वातावरण से किस रूप में अलग था?
How was Earth's early atmosphere different from today's atmosphere?
Explanation opens after your attempt
C. उसमें मुक्त ऑक्सीजन बहुत कम थीIt had very little free oxygen
Concept
The early atmosphere had very little free oxygen. Exam tip: remember oxygen difference when comparing with today's atmosphere.
Why this answer is correct
The correct answer is C. उसमें मुक्त ऑक्सीजन बहुत कम थी / It had very little free oxygen. The early atmosphere had very little free oxygen. Exam tip: remember oxygen difference when comparing with today's atmosphere.
Exam Tip
प्रारंभिक वातावरण में मुक्त ऑक्सीजन बहुत कम थी। परीक्षा में आज के वातावरण से तुलना में ऑक्सीजन अंतर याद रखें।
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