HomeEveryday Science MCQsThe main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect 339. The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effectBy Admin / September 17, 2025 A. Nitrogen Dioxide (NO2) B. Chlorofluorocarbons (CFCs) C. Methane (CH4) D. High-fructose corn syrup (HFCs) ✅ The correct answer is option C.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin