Which of the following has caused global warming since the past 150 years?
A. Anthropogenic greenhouse gas emissions
B. Ice age greenhouse gas emission
C. Emissions of sulphur
D. Emissions of aerosols
Answer:A
Which of the following has caused global warming since the past 150 years?
A. Anthropogenic greenhouse gas emissions B. Ice age greenhouse gas emission C. Emissions of sulphur D. Emissions of aerosols