One of the signs that sleep is necessary is that all living creatures . A. are harmed by lack of sleep
B. can put off sleep for a time
C. avoid sleep as much as possible
D. can sleep longer than necessary

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