Answer:
B.By citing research about the amount of protein in vegan foods
Step-by-step explanation:
It is common to find research works, class assignments, etc., without any quote or bibliographic reference that tells us where the information was extracted from Author. Many people consider that quoting authors would show that their text does not It is totally original, subtracting, (according to your point of view), merit to your work. Nothing farther from reality. A good scientific work is one that is well documented. Correct use of citations, and the inclusion of references bibliographic references, (better known as bibliography at the end of the work), show no only the honesty of the person in recognizing that the work has not left his mind, If not also that that person has been documented, has read the main previous contributions of people better knowledgeable about the subject, and therefore the document has been subjected to careful study.