Question

Which of the following best describes why burning biofuel doesn't contribute to the greenhouse effect? (Select the best answer.)
Question 7 options:

Burning biofuel releases the same amount of carbon dioxide that is absorbed by the plants that are grown to produce the biofuel.

When biofuel is used as an additive, the effects of burning the biofuel are cancelled out.

The carbon dioxide is removed from the biofuel before it's burned.

Biofuel is made from types of biomass that don't release carbon dioxide when they're burned.