According to the cdc article on noroviruses, food can be contaminated by all except
a. direct contact with contaminated hands
b. indirect contact with animal feces
c. direct contact with work surfaces that are contaminated with infectious stool or vomit
d. tiny droplets of vomitus that spray through the air when an infected person vomits

B.indirect contact with animal feces

Explanation:

Norovirus is a type of small, round virus with a high infectious capacity and resistance and is able to remain on surfaces where the infected person has had contact, facilitating transmission to other people. This virus can be found in contaminated food and water and is a major contributor to viral gastroenteritis in adults, unlike rotavirus, which infects children more often.

Symptoms of norovirus infection include severe diarrhea followed by vomiting and often fever. This gastroenteritis is usually treated by resting and drinking plenty of fluids, because the virus has a high mutational capacity, that is, there are several types of norovirus, and its control is difficult.

Indirect contact with animal feces does not contaminate food with norovirus, but direct contact with contaminated hands, direct contact with work surfaces contaminated with infectious feces or vomiting and small drops of vomit that spread through the air when an infected person vomits may infect food with norovirus.

1. entire bag, then the entire bag of calories

2. the percent of fat would be the percent of fat from the serving size, added up to the entire bag of calories

3/4. the saturated fat would be on the bag label, but im pretty sure if you take the serving size and do the math to figure it out you could find out in total the fiber, saturated fat,etc..

5. no probably not

it'll be alright, just keep on going and keep your head up!