Answer :
Final answer:
Carbohydrates, the main fuel source, are primarily found in plant-based foods like grains, fruits, and legumes.
Explanation:
Carbohydrates are molecules composed of carbon, hydrogen, and oxygen primarily found in plant-based foods such as grains, fruits, and legumes, along with some in dairy products. They are a key fuel source for the body and come in two forms: simple carbohydrates and complex carbohydrates which include fiber, starch, and glycogen.
Learn more about Carbohydrates in Plant-Based Foods here:
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