Which of the following fossils fuels is the "cleanest" for the environment in the sense that it is most likely to have the lowest sulfur content and the smallest volume of solid ash residue?
A)Natural gas
B)Anthracite coal
C)Heavy, asphalitic crude oil
D)Lignite

Question

Quizplus · Accepted Answer

Natural gas is the cleanest fossil fuel as it has the lowest sulfur content and the smallest volume of solid ash residue compared to other fossil fuels.

Which of the Following Fossils Fuels Is the "Cleanest" for the Environment