According to the my plate guidelines, what is half of each meal supposed to be devoted to?
dairy and protein
fats and carbohydrates
fruits and vegetables
grains and meat

The third option is your answer.

Explanation:

Various fruits and vegetables provide a multitude of different essential nutrients, vitamins, minerals, and water that your body can only sometimes get from other animal products, dietary sources, and supplements. Thus, they are deserving of half of your plate. An example is good ol' broccoli that my favorite cartoons used to bag on for no reason. Broccoli is a source of protein (though it is not a complete/high-quality protein), carotenoids that can be converted to biologically active forms of vitamin A, vitamin K, riboflavin, some vitamin C, and calcium.

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