Multiple choice general knowledge

Which is the main green house gas

  1. O2,

  2. N2

  3. H2

  4. Co2

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbon dioxide (CO2) is the primary greenhouse gas responsible for global warming, produced by burning fossil fuels and deforestation. Options A (O2 - oxygen), B (N2 - nitrogen), and C (H2 - hydrogen) are not major greenhouse gases.