[Campbell Biology P.887] Based on the text, what is the primary environmental advantage of u... | Practice Question

Based on the text, what is the primary environmental advantage of using biofuels compared to fossil fuels?

  • A: Biofuels produce more energy per unit mass than fossil fuels.
  • B: Biofuels contribute to less global warming because the CO2 emitted during burning is reabsorbed by the next crop cycle through photosynthesis.
  • C: Biofuels can be produced anywhere, eliminating the need for long-distance transportation.
  • D: Biofuels are generated primarily from industrial waste, reducing landfill volume.

Explanation

The text states: 'Whereas burning fossil fuels increases atmospheric CO2 concentrations, biofuel crops reabsorb by photosynthesis the CO2 emitted when biofuels are burned, creating a cycle that is carbon neutral.' This describes the primary environmental advantage.