The main Source of carbon monoxides, as air pollutants, is
A. Thermal decomposition of fats
B. Dye-making
C. Blast furnaces
D. Gasoline motor exhausts
Answer:D
The main Source of carbon monoxides, as air pollutants, is
A. Thermal decomposition of fats B. Dye-making C. Blast furnaces D. Gasoline motor exhausts