Respuesta :
We can actually see that a possible constraint when using biofuel as a fuel source is: A. Use of biofuels can lead to food shortages.
What is biofuel?
Biofuel refers to the type of fuel that is gotten from biological sources such as waste from crops, manure, algae, etc.
Using biofuel can lead to food shortage because the biological sources were biofuel is gotten from are helpful for plant growth and development.
Learn more about biofuel on https://brainly.com/question/1357212
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