Question

The primary greenhouse gas released from paddy fields is:

• A. CO₂
• B. CH₄
• C. N₂O
• D. O₃

Answer 1

Answer:

B. CH₄

• Flooded anaerobic conditions in rice paddies promote methanogenic archaea that decompose organic matter, releasing CH₄ as the dominant GHG (about 10-48% of agricultural methane)