The student realized that so many different people with different jobs are making efforts to prevent and limit pollution in order to protect our environment. Even farmers are finding ways to do this. The table below shows land use for different crops and the yield of each crop for a typical farmer. Crop-Yield (bushels/acre)
Soy beans-150
Sweet Potatoes-320
Wheat-50
Corn-155
The data in the graph shows the amount of water needed to grow four different crops, each used to produce ethanol, a fuel. For each crop, the data shows how many liters of water are needed to produce one liter of ethanol fuel.

Answer this question
In the provided graph, for each crop, the data shows how many liters of water are needed to produce one liter of ethanol fuel. Which of the following would require using the most water?

Producing 5L of ethanol from corn

Producing 4L of ethanol from sugar beet

Producing 2L of ethanol from potatoes

Producing 1L of ethanol from sugar cane