which of the following is a positive aspect of fossil fuels?
A. they do not need processing to produce energy
B. they provide energy for cars, trains and heat
C. they are environmentally friendly
D. they can all be recycled and reused
A. they do not need processing to produce energy
B. they provide energy for cars, trains and heat
C. they are environmentally friendly
D. they can all be recycled and reused