Question

Which of these fuels would be the best to burn, if we must continue to burn fuel and why

A) gasoline (petrol)
B) hydrogen
C) wood
D) Coal

Answer 1

C

Step-by-step explanation:

Apparently, wood is regarded as the most ecologically benign fuel, and hence the most generally recommended. However, only dried wood should be used; as smokeless coal fuels will cause substantially less air pollution than ordinary house coal.