Which of the following gases has role an important in maintaining atmospheric temperature? Nitrogen, Carbon dioxide, Oxygen, None of these
Everyday Science / Gases — Multiple-choice practice
مندرجہ ذیل میں سے کون سا گیس فضائی درجہ حرارت برقرار رکھنے میں اہم کردار ادا کرتا ہے؟
- A. None of these
- B. Carbon dioxide
- C. Nitrogen
- D. Oxygen
Correct answer
Carbon dioxide
Explanation
Explanation Carbon dioxide (CO₂) plays a crucial role in maintaining Earth’s atmospheric temperature . It traps heat through the greenhouse effect , keeping the planet warm enough for life. Additional information : CO₂ levels in 2025 reached ~ 421 ppm (parts per million) globally. Plants absorb CO₂ for photosynthesis , partially regulating its atmospheric concentration. Last verified on 17-01-2026
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