Which of the following is true?
fat provides insulation for the body.
fat is an energy source.
fat is essential for some metabolic functions
all of the above

I think all of the above is right answer but not sure about it .

All of the above should definitely be the right answer

1. b vitamins2. vitamin k3. vitamin d4. examples are walnuts, seeds, tofu5.  total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, sugars, protein, vitamin a, vitamin c, calcium, and iron.6. 11257. they have to contain reliable information8. less than 10%  9. i didnt read the course so im not surehope that : p