Answer: Biomass and Fossil fuels are similar to coal with an oxygen atom added.
Natural gas is the best fossil fuel in terms of energy output per unit carbon dioxide emitted. While Biomass is renewable because a new crop can be grown after each harvest, and biomass is a low carbon fuel.
Explanation: Fossil fuels and biofuels are similar in that they are both formed from once living matter and both emit carbon dioxide when burned for energy.
