Answer:
The subject of proper nutrition and of the pandemic the world is going through today with the issue of obesity has become a really important one. Because of the large numbers of people suffering from some form of malnutrition problem, and weight problems, countries around the globe have adopted guidelines to guide their citizens on what they should eat, how much, and how to manage food intake and activity to maintain a healthy body. In the U.S, this is no different, and here the Dietary Guidelines have been adopted for that purpose.
In essence, what the Dietary Guidelines stress is the proper balance of nutrients, and foods, in a person´s plate, depending on his/her conditions. As such, the correct answers to fill in the blanks in the question would be: Protein foods occupy slightly less than: a quarter of the plate. And, To obtain healthy fats, the Dietary Guidelines recommend inclusion of fish twice a week. In the first case, this is because the stress is to eat more fruits and vegetables, and the body does not need more than a quarter of protein on one single plate. The second, because fish has been found to carry omega fatty acids that help to lower cholesterol and control tryglicerides in the blood, thus ensuring healthy cardiovascular systems.