Approximately what proportion of the carbon dioxide (CO2) released by burning fossil fuels remains in the atmosphere, contributing to the trapping of heat close to Earth's surface?
A. less than 1%
B. 5%
C. 50%
D. 90%
Answer:C
Approximately what proportion of the carbon dioxide (CO2) released by burning fossil fuels remains in the atmosphere, contributing to the trapping of heat close to Earth's surface?
A. less than 1% B. 5% C. 50% D. 90%