Before Dr. Khan operated on Abdul’s left knee, he required a signature from Abdul’s orthopedist confirming that the knee required the operation. The orthopedist’s written approval is a form of A. shadowing.
B. monitoring.
C. approval.
D. formality.

The answer is C because his orthopedist is his general doctor. So he would know everything that is wrong with him such as any illness or anything else

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