Earth Science Interview Question:

Which is NOT true about the concentration of methane gas in the atmosphere:

Submitted by: Administrator

1. it is generated by biological activity related to rice cultivation
2. it is generated as a byproduct of the digestive processes of cattle
3. it is generated as a byproduct of refrigerants and aerosols
4. it has an atmospheric lifetime of about 10 years

Answer: C
Submitted by: Administrator