21. What nutrient may be lacking in the diet of those who practice vegetarianism?

A. Dairy
B. Fats
C. Proteins
D. Carbohydrates



Answer :

Final answer:

Vegetarians may lack proteins and essential nutrients like vitamin B12 and calcium in their diet.


Explanation:

Proteins may be lacking in the diet of those who practice vegetarianism, especially if they obtain proteins solely from plants. Nutrients such as vitamin B12, calcium, omega-3 fatty acids, and choline should be consumed adequately. Iron and zinc, particularly for female athletes, could also be of concern.


Learn more about vegetarianism and nutrient adequacy here:

https://brainly.com/question/30040387


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