decreased cost of fuel production decrease in farm land available for food production increase in the consumption of fossil fuels increased carbon footprint from driving automobiles
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Ethanol is an alternative fuel made from corn. What is one of the unfavorable effects of using ethanol as a fuel?
Possibilities:
- decreased cost of fuel production
- decrease in farm land available for food production
- increase in the consumption of fossil fuels
- increased carbon footprint from driving automobiles

decrease in farm land available for food production