ठंडी हवा नीचे क्यों बैठती है?
Why does cold air sink downward?
Explanation opens after your attempt
D. क्योंकि उसका घनत्व अधिक होता हैBecause it has higher density
Concept
Cold air is heavier and denser, so it moves downward. Exam tip: treat it as part of the convection cycle.
Why this answer is correct
The correct answer is D. क्योंकि उसका घनत्व अधिक होता है / Because it has higher density. Cold air is heavier and denser, so it moves downward. Exam tip: treat it as part of the convection cycle.
Exam Tip
ठंडी हवा भारी और अधिक घनी होती है इसलिए नीचे आती है। परीक्षा में इसे संवहन चक्र का भाग मानें।
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