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Which gas contributes most to the greenhouse effect?

ACarbon Dioxide
BOxygen
CHelium
DNitrogen

Explanation

While water vapor is also a greenhouse gas, carbon dioxide is the most significant anthropogenic driver of the modern greenhouse effect due to its increased concentration.

Exam Relevance
  • Topic: Competitive Exams
  • Subtopic: General Awareness
Submitted by: mcqstutor Team More General Knowledge MCQs →

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