प्रारंभिक वातावरण में मुक्त ऑक्सीजन की कमी और बाद की ऑक्सीजन वृद्धि मिलकर क्या दिखाते हैं?
What do low free oxygen in early atmosphere and later oxygen increase together show?
Explanation opens after your attempt
A. वातावरण समय के साथ बदलता रहाAtmosphere kept changing over time
Concept
The atmosphere was not fixed but changed through biological and physical processes. Exam tip: treat atmosphere as an evolving system.
Why this answer is correct
The correct answer is A. वातावरण समय के साथ बदलता रहा / Atmosphere kept changing over time. The atmosphere was not fixed but changed through biological and physical processes. Exam tip: treat atmosphere as an evolving system.
Exam Tip
वातावरण स्थिर नहीं था बल्कि जैविक और भौतिक प्रक्रियाओं से बदला। परीक्षा में वातावरण को विकासशील प्रणाली मानें।
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