Everyday Science
NULL
Medium
Question
After CO₂, which gas is often listed as the next major greenhouse gas?
A
Nitrogen Dioxide (NO2)
B
Chlorofluorocarbons (CFCs)
C
Methane (CH4)
✓ Official correct answer
D
High-fructose corn syrup (HFCs)
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Nitrogen Dioxide (NO2)
No member explanations yet for this option.
B
Chlorofluorocarbons (CFCs)
No member explanations yet for this option.
C
Methane (CH4)
No member explanations yet for this option.
D
High-fructose corn syrup (HFCs)
No member explanations yet for this option.
Explanation
Among common anthropogenic gases, methane (CH₄) ranks next.
Hence the keyed answer is Methane (CH4).
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