Multiple choice

Which one of the following substances continues most to the causation of greenhouse effect in nature?

  1. Carbon dioxide

  2. Hydrogen fluoride

  3. Carbon monoxide

  4. Sulphur dioxide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon dioxide is the most significant anthropogenic contributor to the greenhouse effect due to its high atmospheric concentration and long residence time. While water vapor is actually the most abundant greenhouse gas overall, CO₂ from human activities is the primary driver of enhanced greenhouse warming.

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