HomeEveryday Science MCQsThe main Constituent of Biogas is__________? 1115. The main Constituent of Biogas is__________?By Admin / September 17, 2025 A. Methane B. Hydrogyn C. Oxygen D. Carbin dioxide ✅ The correct answer is option A.
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