According to the food and nutrition board (fnb) of the national academy of sciences, of calories should come from carbohydrates.

According to the food and nutrition board (fnb) of the national academy of sciences, 45% to 65% of calories should come from carbohydrates.

The diet should contain all the necessary components of diet in proper amounts. The processes of human physiology require chemical energy which is supplied by proteins, carbohydrates, lipids, vitamins and minerals. The main source of calcium is found in the  dairy products. Carbohydrates can be found in a variety of foods such as grains, legumes, nuts, fruits, milk, vegetables,  yogurt, and seeds.

Adults should obtain 45% to 65% of the calorie requirement from carbohydrates, 20% to 35% from fats and 10 to 35% from the proteins. The acceptable range for children are similar to the adults except that infants and younger children need a little higher amount of fat  around 25 -40 %.

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

answer; i believe the correct answer is (sporophyte);